4937140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1117}}^1$

素因数の和:1156

約数の個数: 48

約数和(自身を含む): 11832912

約数和(自身を除く): 6895772

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 1117, 2210, 2234, 4420, 4468, 5585, 11170, 14521, 18989, 22340, 29042, 37978, 58084, 72605, 75956, 94945, 145210, 189890, 246857, 290420, 379780, 493714, 987428, 1234285, 2468570, 4937140]

約数ペア:

[(1, 4937140), (2, 2468570), (4, 1234285), (5, 987428), (10, 493714), (13, 379780), (17, 290420), (20, 246857), (26, 189890), (34, 145210), (52, 94945), (65, 75956), (68, 72605), (85, 58084), (130, 37978), (170, 29042), (221, 22340), (260, 18989), (340, 14521), (442, 11170), (884, 5585), (1105, 4468), (1117, 4420), (2210, 2234)]