85489240

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{1229}}^1$

素因数の和:1324

約数の個数: 64

約数和(自身を含む): 201916800

約数和(自身を除く): 116427560

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 47, 74, 94, 148, 185, 188, 235, 296, 370, 376, 470, 740, 940, 1229, 1480, 1739, 1880, 2458, 3478, 4916, 6145, 6956, 8695, 9832, 12290, 13912, 17390, 24580, 34780, 45473, 49160, 57763, 69560, 90946, 115526, 181892, 227365, 231052, 288815, 363784, 454730, 462104, 577630, 909460, 1155260, 1818920, 2137231, 2310520, 4274462, 8548924, 10686155, 17097848, 21372310, 42744620, 85489240]

約数ペア:

[(1, 85489240), (2, 42744620), (4, 21372310), (5, 17097848), (8, 10686155), (10, 8548924), (20, 4274462), (37, 2310520), (40, 2137231), (47, 1818920), (74, 1155260), (94, 909460), (148, 577630), (185, 462104), (188, 454730), (235, 363784), (296, 288815), (370, 231052), (376, 227365), (470, 181892), (740, 115526), (940, 90946), (1229, 69560), (1480, 57763), (1739, 49160), (1880, 45473), (2458, 34780), (3478, 24580), (4916, 17390), (6145, 13912), (6956, 12290), (8695, 9832)]