15696924980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{358541}}^1$

素因数の和:358760

約数の個数: 48

約数和(自身を含む): 36141033600

約数和(自身を除く): 20444108620

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 199, 220, 398, 796, 995, 1990, 2189, 3980, 4378, 8756, 10945, 21890, 43780, 358541, 717082, 1434164, 1792705, 3585410, 3943951, 7170820, 7887902, 15775804, 19719755, 39439510, 71349659, 78879020, 142699318, 285398636, 356748295, 713496590, 784846249, 1426993180, 1569692498, 3139384996, 3924231245, 7848462490, 15696924980]

約数ペア:

[(1, 15696924980), (2, 7848462490), (4, 3924231245), (5, 3139384996), (10, 1569692498), (11, 1426993180), (20, 784846249), (22, 713496590), (44, 356748295), (55, 285398636), (110, 142699318), (199, 78879020), (220, 71349659), (398, 39439510), (796, 19719755), (995, 15775804), (1990, 7887902), (2189, 7170820), (3980, 3943951), (4378, 3585410), (8756, 1792705), (10945, 1434164), (21890, 717082), (43780, 358541)]