398216280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{607}}^1$

素因数の和:710

約数の個数: 256

約数和(自身を含む): 1512898560

約数和(自身を除く): 1114682280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 55, 56, 60, 66, 70, 71, 77, 84, 88, 105, 110, 120, 132, 140, 142, 154, 165, 168, 210, 213, 220, 231, 264, 280, 284, 308, 330, 355, 385, 420, 426, 440, 462, 497, 568, 607, 616, 660, 710, 770, 781, 840, 852, 924, 994, 1065, 1155, 1214, 1320, 1420, 1491, 1540, 1562, 1704, 1821, 1848, 1988, 2130, 2310, 2343, 2428, 2485, 2840, 2982, 3035, 3080, 3124, 3642, 3905, 3976, 4249, 4260, 4620, 4686, 4856, 4970, 5467, 5964, 6070, 6248, 6677, 7284, 7455, 7810, 8498, 8520, 9105, 9240, 9372, 9940, 10934, 11715, 11928, 12140, 12747, 13354, 14568, 14910, 15620, 16401, 16996, 18210, 18744, 19880, 20031, 21245, 21868, 23430, 24280, 25494, 26708, 27335, 29820, 31240, 32802, 33385, 33992, 36420, 40062, 42490, 43097, 43736, 46739, 46860, 50988, 53416, 54670, 59640, 63735, 65604, 66770, 72840, 80124, 82005, 84980, 86194, 93478, 93720, 100155, 101976, 109340, 127470, 129291, 131208, 133540, 140217, 160248, 164010, 169960, 172388, 186956, 200310, 215485, 218680, 233695, 254940, 258582, 267080, 280434, 301679, 328020, 344776, 373912, 400620, 430970, 467390, 474067, 509880, 517164, 560868, 603358, 646455, 656040, 701085, 801240, 861940, 905037, 934780, 948134, 1034328, 1121736, 1206716, 1292910, 1402170, 1422201, 1508395, 1723880, 1810074, 1869560, 1896268, 2370335, 2413432, 2585820, 2804340, 2844402, 3016790, 3318469, 3620148, 3792536, 4525185, 4740670, 5171640, 5608680, 5688804, 6033580, 6636938, 7111005, 7240296, 9050370, 9481340, 9955407, 11377608, 12067160, 13273876, 14222010, 16592345, 18100740, 18962680, 19910814, 26547752, 28444020, 33184690, 36201480, 39821628, 49777035, 56888040, 66369380, 79643256, 99554070, 132738760, 199108140, 398216280]

約数ペア:

[(1, 398216280), (2, 199108140), (3, 132738760), (4, 99554070), (5, 79643256), (6, 66369380), (7, 56888040), (8, 49777035), (10, 39821628), (11, 36201480), (12, 33184690), (14, 28444020), (15, 26547752), (20, 19910814), (21, 18962680), (22, 18100740), (24, 16592345), (28, 14222010), (30, 13273876), (33, 12067160), (35, 11377608), (40, 9955407), (42, 9481340), (44, 9050370), (55, 7240296), (56, 7111005), (60, 6636938), (66, 6033580), (70, 5688804), (71, 5608680), (77, 5171640), (84, 4740670), (88, 4525185), (105, 3792536), (110, 3620148), (120, 3318469), (132, 3016790), (140, 2844402), (142, 2804340), (154, 2585820), (165, 2413432), (168, 2370335), (210, 1896268), (213, 1869560), (220, 1810074), (231, 1723880), (264, 1508395), (280, 1422201), (284, 1402170), (308, 1292910), (330, 1206716), (355, 1121736), (385, 1034328), (420, 948134), (426, 934780), (440, 905037), (462, 861940), (497, 801240), (568, 701085), (607, 656040), (616, 646455), (660, 603358), (710, 560868), (770, 517164), (781, 509880), (840, 474067), (852, 467390), (924, 430970), (994, 400620), (1065, 373912), (1155, 344776), (1214, 328020), (1320, 301679), (1420, 280434), (1491, 267080), (1540, 258582), (1562, 254940), (1704, 233695), (1821, 218680), (1848, 215485), (1988, 200310), (2130, 186956), (2310, 172388), (2343, 169960), (2428, 164010), (2485, 160248), (2840, 140217), (2982, 133540), (3035, 131208), (3080, 129291), (3124, 127470), (3642, 109340), (3905, 101976), (3976, 100155), (4249, 93720), (4260, 93478), (4620, 86194), (4686, 84980), (4856, 82005), (4970, 80124), (5467, 72840), (5964, 66770), (6070, 65604), (6248, 63735), (6677, 59640), (7284, 54670), (7455, 53416), (7810, 50988), (8498, 46860), (8520, 46739), (9105, 43736), (9240, 43097), (9372, 42490), (9940, 40062), (10934, 36420), (11715, 33992), (11928, 33385), (12140, 32802), (12747, 31240), (13354, 29820), (14568, 27335), (14910, 26708), (15620, 25494), (16401, 24280), (16996, 23430), (18210, 21868), (18744, 21245), (19880, 20031)]