139342520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{1091}}^1$

素因数の和:1236

約数の個数: 64

約数和(自身を含む): 327075840

約数和(自身を除く): 187733320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 103, 124, 155, 206, 248, 310, 412, 515, 620, 824, 1030, 1091, 1240, 2060, 2182, 3193, 4120, 4364, 5455, 6386, 8728, 10910, 12772, 15965, 21820, 25544, 31930, 33821, 43640, 63860, 67642, 112373, 127720, 135284, 169105, 224746, 270568, 338210, 449492, 561865, 676420, 898984, 1123730, 1352840, 2247460, 3483563, 4494920, 6967126, 13934252, 17417815, 27868504, 34835630, 69671260, 139342520]

約数ペア:

[(1, 139342520), (2, 69671260), (4, 34835630), (5, 27868504), (8, 17417815), (10, 13934252), (20, 6967126), (31, 4494920), (40, 3483563), (62, 2247460), (103, 1352840), (124, 1123730), (155, 898984), (206, 676420), (248, 561865), (310, 449492), (412, 338210), (515, 270568), (620, 224746), (824, 169105), (1030, 135284), (1091, 127720), (1240, 112373), (2060, 67642), (2182, 63860), (3193, 43640), (4120, 33821), (4364, 31930), (5455, 25544), (6386, 21820), (8728, 15965), (10910, 12772)]