197913240

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{557}}^1$

素因数の和:631

約数の個数: 256

約数和(自身を含む): 771379200

約数和(自身を除く): 573465960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 47, 54, 56, 60, 63, 70, 72, 84, 90, 94, 105, 108, 120, 126, 135, 140, 141, 168, 180, 188, 189, 210, 216, 235, 252, 270, 280, 282, 315, 329, 360, 376, 378, 420, 423, 470, 504, 540, 557, 564, 630, 658, 705, 756, 840, 846, 940, 945, 987, 1080, 1114, 1128, 1260, 1269, 1316, 1410, 1512, 1645, 1671, 1692, 1880, 1890, 1974, 2115, 2228, 2520, 2538, 2632, 2785, 2820, 2961, 3290, 3342, 3384, 3780, 3899, 3948, 4230, 4456, 4935, 5013, 5076, 5570, 5640, 5922, 6345, 6580, 6684, 7560, 7798, 7896, 8355, 8460, 8883, 9870, 10026, 10152, 11140, 11697, 11844, 12690, 13160, 13368, 14805, 15039, 15596, 16710, 16920, 17766, 19495, 19740, 20052, 22280, 23394, 23688, 25065, 25380, 26179, 29610, 30078, 31192, 33420, 35091, 35532, 38990, 39480, 40104, 44415, 46788, 50130, 50760, 52358, 58485, 59220, 60156, 66840, 70182, 71064, 75195, 77980, 78537, 88830, 93576, 100260, 104716, 105273, 116970, 118440, 120312, 130895, 140364, 150390, 155960, 157074, 175455, 177660, 183253, 200520, 209432, 210546, 233940, 235611, 261790, 280728, 300780, 314148, 350910, 355320, 366506, 392685, 421092, 467880, 471222, 523580, 526365, 549759, 601560, 628296, 701820, 706833, 733012, 785370, 842184, 916265, 942444, 1047160, 1052730, 1099518, 1178055, 1403640, 1413666, 1466024, 1570740, 1649277, 1832530, 1884888, 2105460, 2199036, 2356110, 2748795, 2827332, 3141480, 3298554, 3534165, 3665060, 4210920, 4398072, 4712220, 4947831, 5497590, 5654664, 6597108, 7068330, 7330120, 8246385, 9424440, 9895662, 10995180, 13194216, 14136660, 16492770, 19791324, 21990360, 24739155, 28273320, 32985540, 39582648, 49478310, 65971080, 98956620, 197913240]

約数ペア:

[(1, 197913240), (2, 98956620), (3, 65971080), (4, 49478310), (5, 39582648), (6, 32985540), (7, 28273320), (8, 24739155), (9, 21990360), (10, 19791324), (12, 16492770), (14, 14136660), (15, 13194216), (18, 10995180), (20, 9895662), (21, 9424440), (24, 8246385), (27, 7330120), (28, 7068330), (30, 6597108), (35, 5654664), (36, 5497590), (40, 4947831), (42, 4712220), (45, 4398072), (47, 4210920), (54, 3665060), (56, 3534165), (60, 3298554), (63, 3141480), (70, 2827332), (72, 2748795), (84, 2356110), (90, 2199036), (94, 2105460), (105, 1884888), (108, 1832530), (120, 1649277), (126, 1570740), (135, 1466024), (140, 1413666), (141, 1403640), (168, 1178055), (180, 1099518), (188, 1052730), (189, 1047160), (210, 942444), (216, 916265), (235, 842184), (252, 785370), (270, 733012), (280, 706833), (282, 701820), (315, 628296), (329, 601560), (360, 549759), (376, 526365), (378, 523580), (420, 471222), (423, 467880), (470, 421092), (504, 392685), (540, 366506), (557, 355320), (564, 350910), (630, 314148), (658, 300780), (705, 280728), (756, 261790), (840, 235611), (846, 233940), (940, 210546), (945, 209432), (987, 200520), (1080, 183253), (1114, 177660), (1128, 175455), (1260, 157074), (1269, 155960), (1316, 150390), (1410, 140364), (1512, 130895), (1645, 120312), (1671, 118440), (1692, 116970), (1880, 105273), (1890, 104716), (1974, 100260), (2115, 93576), (2228, 88830), (2520, 78537), (2538, 77980), (2632, 75195), (2785, 71064), (2820, 70182), (2961, 66840), (3290, 60156), (3342, 59220), (3384, 58485), (3780, 52358), (3899, 50760), (3948, 50130), (4230, 46788), (4456, 44415), (4935, 40104), (5013, 39480), (5076, 38990), (5570, 35532), (5640, 35091), (5922, 33420), (6345, 31192), (6580, 30078), (6684, 29610), (7560, 26179), (7798, 25380), (7896, 25065), (8355, 23688), (8460, 23394), (8883, 22280), (9870, 20052), (10026, 19740), (10152, 19495), (11140, 17766), (11697, 16920), (11844, 16710), (12690, 15596), (13160, 15039), (13368, 14805)]