70988140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1877}}^1$

素因数の和:1978

約数の個数: 48

約数和(自身を含む): 156489984

約数和(自身を除く): 85501844

約数列:

[1, 2, 4, 5, 10, 20, 31, 61, 62, 122, 124, 155, 244, 305, 310, 610, 620, 1220, 1877, 1891, 3754, 3782, 7508, 7564, 9385, 9455, 18770, 18910, 37540, 37820, 58187, 114497, 116374, 228994, 232748, 290935, 457988, 572485, 581870, 1144970, 1163740, 2289940, 3549407, 7098814, 14197628, 17747035, 35494070, 70988140]

約数ペア:

[(1, 70988140), (2, 35494070), (4, 17747035), (5, 14197628), (10, 7098814), (20, 3549407), (31, 2289940), (61, 1163740), (62, 1144970), (122, 581870), (124, 572485), (155, 457988), (244, 290935), (305, 232748), (310, 228994), (610, 116374), (620, 114497), (1220, 58187), (1877, 37820), (1891, 37540), (3754, 18910), (3782, 18770), (7508, 9455), (7564, 9385)]