203839520

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{74941}}^1$

素因数の和:74973

約数の個数: 48

約数和(自身を含む): 509905368

約数和(自身を除く): 306065848

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 74941, 149882, 299764, 374705, 599528, 749410, 1199056, 1273997, 1498820, 2398112, 2547994, 2997640, 5095988, 5995280, 6369985, 10191976, 11990560, 12739970, 20383952, 25479940, 40767904, 50959880, 101919760, 203839520]

約数ペア:

[(1, 203839520), (2, 101919760), (4, 50959880), (5, 40767904), (8, 25479940), (10, 20383952), (16, 12739970), (17, 11990560), (20, 10191976), (32, 6369985), (34, 5995280), (40, 5095988), (68, 2997640), (80, 2547994), (85, 2398112), (136, 1498820), (160, 1273997), (170, 1199056), (272, 749410), (340, 599528), (544, 374705), (680, 299764), (1360, 149882), (2720, 74941)]