140730920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{1409}}^1$

素因数の和:1658

約数の個数: 64

約数和(自身を含む): 347198400

約数和(自身を除く): 206467480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 227, 440, 454, 908, 1135, 1409, 1816, 2270, 2497, 2818, 4540, 4994, 5636, 7045, 9080, 9988, 11272, 12485, 14090, 15499, 19976, 24970, 28180, 30998, 49940, 56360, 61996, 77495, 99880, 123992, 154990, 309980, 319843, 619960, 639686, 1279372, 1599215, 2558744, 3198430, 3518273, 6396860, 7036546, 12793720, 14073092, 17591365, 28146184, 35182730, 70365460, 140730920]

約数ペア:

[(1, 140730920), (2, 70365460), (4, 35182730), (5, 28146184), (8, 17591365), (10, 14073092), (11, 12793720), (20, 7036546), (22, 6396860), (40, 3518273), (44, 3198430), (55, 2558744), (88, 1599215), (110, 1279372), (220, 639686), (227, 619960), (440, 319843), (454, 309980), (908, 154990), (1135, 123992), (1409, 99880), (1816, 77495), (2270, 61996), (2497, 56360), (2818, 49940), (4540, 30998), (4994, 28180), (5636, 24970), (7045, 19976), (9080, 15499), (9988, 14090), (11272, 12485)]