117478220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{2129}}^1$

素因数の和:2258

約数の個数: 48

約数和(自身を含む): 257644800

約数和(自身を除く): 140166580

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 89, 124, 155, 178, 310, 356, 445, 620, 890, 1780, 2129, 2759, 4258, 5518, 8516, 10645, 11036, 13795, 21290, 27590, 42580, 55180, 65999, 131998, 189481, 263996, 329995, 378962, 659990, 757924, 947405, 1319980, 1894810, 3789620, 5873911, 11747822, 23495644, 29369555, 58739110, 117478220]

約数ペア:

[(1, 117478220), (2, 58739110), (4, 29369555), (5, 23495644), (10, 11747822), (20, 5873911), (31, 3789620), (62, 1894810), (89, 1319980), (124, 947405), (155, 757924), (178, 659990), (310, 378962), (356, 329995), (445, 263996), (620, 189481), (890, 131998), (1780, 65999), (2129, 55180), (2759, 42580), (4258, 27590), (5518, 21290), (8516, 13795), (10645, 11036)]