285909560

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{859}}^1$

素因数の和:1080

約数の個数: 64

約数和(自身を含む): 660376800

約数和(自身を除く): 374467240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 157, 212, 265, 314, 424, 530, 628, 785, 859, 1060, 1256, 1570, 1718, 2120, 3140, 3436, 4295, 6280, 6872, 8321, 8590, 16642, 17180, 33284, 34360, 41605, 45527, 66568, 83210, 91054, 134863, 166420, 182108, 227635, 269726, 332840, 364216, 455270, 539452, 674315, 910540, 1078904, 1348630, 1821080, 2697260, 5394520, 7147739, 14295478, 28590956, 35738695, 57181912, 71477390, 142954780, 285909560]

約数ペア:

[(1, 285909560), (2, 142954780), (4, 71477390), (5, 57181912), (8, 35738695), (10, 28590956), (20, 14295478), (40, 7147739), (53, 5394520), (106, 2697260), (157, 1821080), (212, 1348630), (265, 1078904), (314, 910540), (424, 674315), (530, 539452), (628, 455270), (785, 364216), (859, 332840), (1060, 269726), (1256, 227635), (1570, 182108), (1718, 166420), (2120, 134863), (3140, 91054), (3436, 83210), (4295, 66568), (6280, 45527), (6872, 41605), (8321, 34360), (8590, 33284), (16642, 17180)]