308889760

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{27191}}^1$

素因数の和:27277

約数の個数: 48

約数和(自身を含む): 740057472

約数和(自身を除く): 431167712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 284, 355, 568, 710, 1136, 1420, 2272, 2840, 5680, 11360, 27191, 54382, 108764, 135955, 217528, 271910, 435056, 543820, 870112, 1087640, 1930561, 2175280, 3861122, 4350560, 7722244, 9652805, 15444488, 19305610, 30888976, 38611220, 61777952, 77222440, 154444880, 308889760]

約数ペア:

[(1, 308889760), (2, 154444880), (4, 77222440), (5, 61777952), (8, 38611220), (10, 30888976), (16, 19305610), (20, 15444488), (32, 9652805), (40, 7722244), (71, 4350560), (80, 3861122), (142, 2175280), (160, 1930561), (284, 1087640), (355, 870112), (568, 543820), (710, 435056), (1136, 271910), (1420, 217528), (2272, 135955), (2840, 108764), (5680, 54382), (11360, 27191)]