77561140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{1453}}^1$

素因数の和:1636

約数の個数: 48

約数和(自身を含む): 173677392

約数和(自身を除く): 96116252

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 157, 170, 314, 340, 628, 785, 1453, 1570, 2669, 2906, 3140, 5338, 5812, 7265, 10676, 13345, 14530, 24701, 26690, 29060, 49402, 53380, 98804, 123505, 228121, 247010, 456242, 494020, 912484, 1140605, 2281210, 3878057, 4562420, 7756114, 15512228, 19390285, 38780570, 77561140]

約数ペア:

[(1, 77561140), (2, 38780570), (4, 19390285), (5, 15512228), (10, 7756114), (17, 4562420), (20, 3878057), (34, 2281210), (68, 1140605), (85, 912484), (157, 494020), (170, 456242), (314, 247010), (340, 228121), (628, 123505), (785, 98804), (1453, 53380), (1570, 49402), (2669, 29060), (2906, 26690), (3140, 24701), (5338, 14530), (5812, 13345), (7265, 10676)]