320420870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{5861}}^1$

素因数の和:5957

約数の個数: 64

約数和(自身を含む): 729326592

約数和(自身を除く): 408905722

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 71, 77, 110, 142, 154, 355, 385, 497, 710, 770, 781, 994, 1562, 2485, 3905, 4970, 5467, 5861, 7810, 10934, 11722, 27335, 29305, 41027, 54670, 58610, 64471, 82054, 128942, 205135, 322355, 410270, 416131, 451297, 644710, 832262, 902594, 2080655, 2256485, 2912917, 4161310, 4512970, 4577441, 5825834, 9154882, 14564585, 22887205, 29129170, 32042087, 45774410, 64084174, 160210435, 320420870]

約数ペア:

[(1, 320420870), (2, 160210435), (5, 64084174), (7, 45774410), (10, 32042087), (11, 29129170), (14, 22887205), (22, 14564585), (35, 9154882), (55, 5825834), (70, 4577441), (71, 4512970), (77, 4161310), (110, 2912917), (142, 2256485), (154, 2080655), (355, 902594), (385, 832262), (497, 644710), (710, 451297), (770, 416131), (781, 410270), (994, 322355), (1562, 205135), (2485, 128942), (3905, 82054), (4970, 64471), (5467, 58610), (5861, 54670), (7810, 41027), (10934, 29305), (11722, 27335)]