1427127940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{23873}}^1$

素因数の和:23957

約数の個数: 72

約数和(自身を含む): 3543570072

約数和(自身を除く): 2116442132

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 61, 70, 98, 122, 140, 196, 244, 245, 305, 427, 490, 610, 854, 980, 1220, 1708, 2135, 2989, 4270, 5978, 8540, 11956, 14945, 23873, 29890, 47746, 59780, 95492, 119365, 167111, 238730, 334222, 477460, 668444, 835555, 1169777, 1456253, 1671110, 2339554, 2912506, 3342220, 4679108, 5825012, 5848885, 7281265, 10193771, 11697770, 14562530, 20387542, 23395540, 29125060, 40775084, 50968855, 71356397, 101937710, 142712794, 203875420, 285425588, 356781985, 713563970, 1427127940]

約数ペア:

[(1, 1427127940), (2, 713563970), (4, 356781985), (5, 285425588), (7, 203875420), (10, 142712794), (14, 101937710), (20, 71356397), (28, 50968855), (35, 40775084), (49, 29125060), (61, 23395540), (70, 20387542), (98, 14562530), (122, 11697770), (140, 10193771), (196, 7281265), (244, 5848885), (245, 5825012), (305, 4679108), (427, 3342220), (490, 2912506), (610, 2339554), (854, 1671110), (980, 1456253), (1220, 1169777), (1708, 835555), (2135, 668444), (2989, 477460), (4270, 334222), (5978, 238730), (8540, 167111), (11956, 119365), (14945, 95492), (23873, 59780), (29890, 47746)]