278102220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{1997}}^1$

素因数の和:2231

約数の個数: 96

約数和(自身を含む): 853929216

約数和(自身を除く): 575826996

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 211, 220, 330, 422, 633, 660, 844, 1055, 1266, 1997, 2110, 2321, 2532, 3165, 3994, 4220, 4642, 5991, 6330, 6963, 7988, 9284, 9985, 11605, 11982, 12660, 13926, 19970, 21967, 23210, 23964, 27852, 29955, 34815, 39940, 43934, 46420, 59910, 65901, 69630, 87868, 109835, 119820, 131802, 139260, 219670, 263604, 329505, 421367, 439340, 659010, 842734, 1264101, 1318020, 1685468, 2106835, 2528202, 4213670, 4635037, 5056404, 6320505, 8427340, 9270074, 12641010, 13905111, 18540148, 23175185, 25282020, 27810222, 46350370, 55620444, 69525555, 92700740, 139051110, 278102220]

約数ペア:

[(1, 278102220), (2, 139051110), (3, 92700740), (4, 69525555), (5, 55620444), (6, 46350370), (10, 27810222), (11, 25282020), (12, 23175185), (15, 18540148), (20, 13905111), (22, 12641010), (30, 9270074), (33, 8427340), (44, 6320505), (55, 5056404), (60, 4635037), (66, 4213670), (110, 2528202), (132, 2106835), (165, 1685468), (211, 1318020), (220, 1264101), (330, 842734), (422, 659010), (633, 439340), (660, 421367), (844, 329505), (1055, 263604), (1266, 219670), (1997, 139260), (2110, 131802), (2321, 119820), (2532, 109835), (3165, 87868), (3994, 69630), (4220, 65901), (4642, 59910), (5991, 46420), (6330, 43934), (6963, 39940), (7988, 34815), (9284, 29955), (9985, 27852), (11605, 23964), (11982, 23210), (12660, 21967), (13926, 19970)]