79738840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{787}}^1$

素因数の和:964

約数の個数: 64

約数和(自身を含む): 191484000

約数和(自身を除く): 111745160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 149, 170, 298, 340, 596, 680, 745, 787, 1192, 1490, 1574, 2533, 2980, 3148, 3935, 5066, 5960, 6296, 7870, 10132, 12665, 13379, 15740, 20264, 25330, 26758, 31480, 50660, 53516, 66895, 101320, 107032, 117263, 133790, 234526, 267580, 469052, 535160, 586315, 938104, 1172630, 1993471, 2345260, 3986942, 4690520, 7973884, 9967355, 15947768, 19934710, 39869420, 79738840]

約数ペア:

[(1, 79738840), (2, 39869420), (4, 19934710), (5, 15947768), (8, 9967355), (10, 7973884), (17, 4690520), (20, 3986942), (34, 2345260), (40, 1993471), (68, 1172630), (85, 938104), (136, 586315), (149, 535160), (170, 469052), (298, 267580), (340, 234526), (596, 133790), (680, 117263), (745, 107032), (787, 101320), (1192, 66895), (1490, 53516), (1574, 50660), (2533, 31480), (2980, 26758), (3148, 25330), (3935, 20264), (5066, 15740), (5960, 13379), (6296, 12665), (7870, 10132)]