408066340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{50131}}^1$

素因数の和:50188

約数の個数: 48

約数和(自身を含む): 960128064

約数和(自身を除く): 552061724

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 220, 370, 407, 740, 814, 1628, 2035, 4070, 8140, 50131, 100262, 200524, 250655, 501310, 551441, 1002620, 1102882, 1854847, 2205764, 2757205, 3709694, 5514410, 7419388, 9274235, 11028820, 18548470, 20403317, 37096940, 40806634, 81613268, 102016585, 204033170, 408066340]

約数ペア:

[(1, 408066340), (2, 204033170), (4, 102016585), (5, 81613268), (10, 40806634), (11, 37096940), (20, 20403317), (22, 18548470), (37, 11028820), (44, 9274235), (55, 7419388), (74, 5514410), (110, 3709694), (148, 2757205), (185, 2205764), (220, 1854847), (370, 1102882), (407, 1002620), (740, 551441), (814, 501310), (1628, 250655), (2035, 200524), (4070, 100262), (8140, 50131)]