90326990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{211}}^1$

素因数の和:357

約数の個数: 64

約数和(自身を含む): 182710080

約数和(自身を除く): 92383090

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 89, 130, 178, 185, 211, 370, 422, 445, 481, 890, 962, 1055, 1157, 2110, 2314, 2405, 2743, 3293, 4810, 5486, 5785, 6586, 7807, 11570, 13715, 15614, 16465, 18779, 27430, 32930, 37558, 39035, 42809, 78070, 85618, 93895, 101491, 187790, 202982, 214045, 244127, 428090, 488254, 507455, 694823, 1014910, 1220635, 1389646, 2441270, 3474115, 6948230, 9032699, 18065398, 45163495, 90326990]

約数ペア:

[(1, 90326990), (2, 45163495), (5, 18065398), (10, 9032699), (13, 6948230), (26, 3474115), (37, 2441270), (65, 1389646), (74, 1220635), (89, 1014910), (130, 694823), (178, 507455), (185, 488254), (211, 428090), (370, 244127), (422, 214045), (445, 202982), (481, 187790), (890, 101491), (962, 93895), (1055, 85618), (1157, 78070), (2110, 42809), (2314, 39035), (2405, 37558), (2743, 32930), (3293, 27430), (4810, 18779), (5486, 16465), (5785, 15614), (6586, 13715), (7807, 11570)]