220177880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{24907}}^1$

素因数の和:24948

約数の個数: 64

約数和(自身を含む): 564913440

約数和(自身を除く): 344735560

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 884, 1105, 1768, 2210, 4420, 8840, 24907, 49814, 99628, 124535, 199256, 249070, 323791, 423419, 498140, 647582, 846838, 996280, 1295164, 1618955, 1693676, 2117095, 2590328, 3237910, 3387352, 4234190, 5504447, 6475820, 8468380, 11008894, 12951640, 16936760, 22017788, 27522235, 44035576, 55044470, 110088940, 220177880]

約数ペア:

[(1, 220177880), (2, 110088940), (4, 55044470), (5, 44035576), (8, 27522235), (10, 22017788), (13, 16936760), (17, 12951640), (20, 11008894), (26, 8468380), (34, 6475820), (40, 5504447), (52, 4234190), (65, 3387352), (68, 3237910), (85, 2590328), (104, 2117095), (130, 1693676), (136, 1618955), (170, 1295164), (221, 996280), (260, 846838), (340, 647582), (442, 498140), (520, 423419), (680, 323791), (884, 249070), (1105, 199256), (1768, 124535), (2210, 99628), (4420, 49814), (8840, 24907)]