918800090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{2243}}^1$

素因数の和:2423

約数の個数: 64

約数和(自身を含む): 1872896256

約数和(自身を除く): 954096166

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 137, 230, 274, 299, 598, 685, 1370, 1495, 1781, 2243, 2990, 3151, 3562, 4486, 6302, 8905, 11215, 15755, 17810, 22430, 29159, 31510, 40963, 51589, 58318, 81926, 103178, 145795, 204815, 257945, 291590, 307291, 409630, 515890, 614582, 670657, 1341314, 1536455, 3072910, 3353285, 3994783, 6706570, 7067693, 7989566, 14135386, 19973915, 35338465, 39947830, 70676930, 91880009, 183760018, 459400045, 918800090]

約数ペア:

[(1, 918800090), (2, 459400045), (5, 183760018), (10, 91880009), (13, 70676930), (23, 39947830), (26, 35338465), (46, 19973915), (65, 14135386), (115, 7989566), (130, 7067693), (137, 6706570), (230, 3994783), (274, 3353285), (299, 3072910), (598, 1536455), (685, 1341314), (1370, 670657), (1495, 614582), (1781, 515890), (2243, 409630), (2990, 307291), (3151, 291590), (3562, 257945), (4486, 204815), (6302, 145795), (8905, 103178), (11215, 81926), (15755, 58318), (17810, 51589), (22430, 40963), (29159, 31510)]