4240940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{521}}^1$

素因数の和:578

約数の個数: 48

約数和(自身を含む): 9997344

約数和(自身を除く): 5756404

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 220, 370, 407, 521, 740, 814, 1042, 1628, 2035, 2084, 2605, 4070, 5210, 5731, 8140, 10420, 11462, 19277, 22924, 28655, 38554, 57310, 77108, 96385, 114620, 192770, 212047, 385540, 424094, 848188, 1060235, 2120470, 4240940]

約数ペア:

[(1, 4240940), (2, 2120470), (4, 1060235), (5, 848188), (10, 424094), (11, 385540), (20, 212047), (22, 192770), (37, 114620), (44, 96385), (55, 77108), (74, 57310), (110, 38554), (148, 28655), (185, 22924), (220, 19277), (370, 11462), (407, 10420), (521, 8140), (740, 5731), (814, 5210), (1042, 4070), (1628, 2605), (2035, 2084)]