578380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{239}}^1$

素因数の和:270

約数の個数: 36

約数和(自身を含む): 1340640

約数和(自身を除く): 762260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 239, 242, 478, 484, 605, 956, 1195, 1210, 2390, 2420, 2629, 4780, 5258, 10516, 13145, 26290, 28919, 52580, 57838, 115676, 144595, 289190, 578380]

約数ペア:

[(1, 578380), (2, 289190), (4, 144595), (5, 115676), (10, 57838), (11, 52580), (20, 28919), (22, 26290), (44, 13145), (55, 10516), (110, 5258), (121, 4780), (220, 2629), (239, 2420), (242, 2390), (478, 1210), (484, 1195), (605, 956)]