639189460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{283}}^1$

素因数の和:402

約数の個数: 192

約数和(自身を含む): 1779466752

約数和(自身を除く): 1140277292

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 17, 20, 26, 28, 34, 35, 52, 65, 68, 70, 73, 85, 91, 119, 130, 140, 146, 170, 182, 221, 238, 260, 283, 292, 340, 364, 365, 442, 455, 476, 511, 566, 595, 730, 884, 910, 949, 1022, 1105, 1132, 1190, 1241, 1415, 1460, 1547, 1820, 1898, 1981, 2044, 2210, 2380, 2482, 2555, 2830, 3094, 3679, 3796, 3962, 4420, 4745, 4811, 4964, 5110, 5660, 6188, 6205, 6643, 7358, 7735, 7924, 8687, 9490, 9622, 9905, 10220, 12410, 13286, 14716, 15470, 16133, 17374, 18395, 18980, 19244, 19810, 20659, 24055, 24820, 25753, 26572, 30940, 32266, 33215, 33677, 34748, 36790, 39620, 41318, 43435, 48110, 51506, 62543, 64532, 66430, 67354, 73580, 80665, 82636, 86870, 96220, 103012, 103295, 112931, 125086, 128765, 132860, 134708, 144613, 161330, 168385, 173740, 206590, 225862, 250172, 257530, 268567, 289226, 312715, 322660, 336770, 351203, 413180, 437801, 451724, 515060, 537134, 564655, 578452, 625430, 673540, 702406, 723065, 875602, 1074268, 1129310, 1250860, 1342835, 1404812, 1446130, 1751204, 1756015, 1879969, 2189005, 2258620, 2458421, 2685670, 2892260, 3512030, 3759938, 4378010, 4565639, 4916842, 5371340, 7024060, 7519876, 8756020, 9131278, 9399845, 9833684, 12292105, 18262556, 18799690, 22828195, 24584210, 31959473, 37599380, 45656390, 49168420, 63918946, 91312780, 127837892, 159797365, 319594730, 639189460]

約数ペア:

[(1, 639189460), (2, 319594730), (4, 159797365), (5, 127837892), (7, 91312780), (10, 63918946), (13, 49168420), (14, 45656390), (17, 37599380), (20, 31959473), (26, 24584210), (28, 22828195), (34, 18799690), (35, 18262556), (52, 12292105), (65, 9833684), (68, 9399845), (70, 9131278), (73, 8756020), (85, 7519876), (91, 7024060), (119, 5371340), (130, 4916842), (140, 4565639), (146, 4378010), (170, 3759938), (182, 3512030), (221, 2892260), (238, 2685670), (260, 2458421), (283, 2258620), (292, 2189005), (340, 1879969), (364, 1756015), (365, 1751204), (442, 1446130), (455, 1404812), (476, 1342835), (511, 1250860), (566, 1129310), (595, 1074268), (730, 875602), (884, 723065), (910, 702406), (949, 673540), (1022, 625430), (1105, 578452), (1132, 564655), (1190, 537134), (1241, 515060), (1415, 451724), (1460, 437801), (1547, 413180), (1820, 351203), (1898, 336770), (1981, 322660), (2044, 312715), (2210, 289226), (2380, 268567), (2482, 257530), (2555, 250172), (2830, 225862), (3094, 206590), (3679, 173740), (3796, 168385), (3962, 161330), (4420, 144613), (4745, 134708), (4811, 132860), (4964, 128765), (5110, 125086), (5660, 112931), (6188, 103295), (6205, 103012), (6643, 96220), (7358, 86870), (7735, 82636), (7924, 80665), (8687, 73580), (9490, 67354), (9622, 66430), (9905, 64532), (10220, 62543), (12410, 51506), (13286, 48110), (14716, 43435), (15470, 41318), (16133, 39620), (17374, 36790), (18395, 34748), (18980, 33677), (19244, 33215), (19810, 32266), (20659, 30940), (24055, 26572), (24820, 25753)]