9723740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{251}}^1$

素因数の和:422

約数の個数: 48

約数和(自身を含む): 22226400

約数和(自身を除く): 12502660

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 149, 251, 260, 298, 502, 596, 745, 1004, 1255, 1490, 1937, 2510, 2980, 3263, 3874, 5020, 6526, 7748, 9685, 13052, 16315, 19370, 32630, 37399, 38740, 65260, 74798, 149596, 186995, 373990, 486187, 747980, 972374, 1944748, 2430935, 4861870, 9723740]

約数ペア:

[(1, 9723740), (2, 4861870), (4, 2430935), (5, 1944748), (10, 972374), (13, 747980), (20, 486187), (26, 373990), (52, 186995), (65, 149596), (130, 74798), (149, 65260), (251, 38740), (260, 37399), (298, 32630), (502, 19370), (596, 16315), (745, 13052), (1004, 9685), (1255, 7748), (1490, 6526), (1937, 5020), (2510, 3874), (2980, 3263)]