399450190

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{75797}}^1$

素因数の和:75852

約数の個数: 32

約数和(自身を含む): 785873664

約数和(自身を除く): 386423474

約数列:

[1, 2, 5, 10, 17, 31, 34, 62, 85, 155, 170, 310, 527, 1054, 2635, 5270, 75797, 151594, 378985, 757970, 1288549, 2349707, 2577098, 4699414, 6442745, 11748535, 12885490, 23497070, 39945019, 79890038, 199725095, 399450190]

約数ペア:

[(1, 399450190), (2, 199725095), (5, 79890038), (10, 39945019), (17, 23497070), (31, 12885490), (34, 11748535), (62, 6442745), (85, 4699414), (155, 2577098), (170, 2349707), (310, 1288549), (527, 757970), (1054, 378985), (2635, 151594), (5270, 75797)]