140227880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8699}}^1$

素因数の和:8754

約数の個数: 64

約数和(自身を含む): 350784000

約数和(自身を除く): 210556120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 2015, 3224, 4030, 8060, 8699, 16120, 17398, 34796, 43495, 69592, 86990, 113087, 173980, 226174, 269669, 347960, 452348, 539338, 565435, 904696, 1078676, 1130870, 1348345, 2157352, 2261740, 2696690, 3505697, 4523480, 5393380, 7011394, 10786760, 14022788, 17528485, 28045576, 35056970, 70113940, 140227880]

約数ペア:

[(1, 140227880), (2, 70113940), (4, 35056970), (5, 28045576), (8, 17528485), (10, 14022788), (13, 10786760), (20, 7011394), (26, 5393380), (31, 4523480), (40, 3505697), (52, 2696690), (62, 2261740), (65, 2157352), (104, 1348345), (124, 1130870), (130, 1078676), (155, 904696), (248, 565435), (260, 539338), (310, 452348), (403, 347960), (520, 269669), (620, 226174), (806, 173980), (1240, 113087), (1612, 86990), (2015, 69592), (3224, 43495), (4030, 34796), (8060, 17398), (8699, 16120)]