8145830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:245

約数の個数: 64

約数和(自身を含む): 18662400

約数和(自身を除く): 10516570

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 71, 77, 110, 142, 149, 154, 298, 355, 385, 497, 710, 745, 770, 781, 994, 1043, 1490, 1562, 1639, 2086, 2485, 3278, 3905, 4970, 5215, 5467, 7810, 8195, 10430, 10579, 10934, 11473, 16390, 21158, 22946, 27335, 52895, 54670, 57365, 74053, 105790, 114730, 116369, 148106, 232738, 370265, 581845, 740530, 814583, 1163690, 1629166, 4072915, 8145830]

約数ペア:

[(1, 8145830), (2, 4072915), (5, 1629166), (7, 1163690), (10, 814583), (11, 740530), (14, 581845), (22, 370265), (35, 232738), (55, 148106), (70, 116369), (71, 114730), (77, 105790), (110, 74053), (142, 57365), (149, 54670), (154, 52895), (298, 27335), (355, 22946), (385, 21158), (497, 16390), (710, 11473), (745, 10934), (770, 10579), (781, 10430), (994, 8195), (1043, 7810), (1490, 5467), (1562, 5215), (1639, 4970), (2086, 3905), (2485, 3278)]