389180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:110

約数の個数: 48

約数和(自身を含む): 937440

約数和(自身を除く): 548260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 61, 110, 116, 122, 145, 220, 244, 290, 305, 319, 580, 610, 638, 671, 1220, 1276, 1342, 1595, 1769, 2684, 3190, 3355, 3538, 6380, 6710, 7076, 8845, 13420, 17690, 19459, 35380, 38918, 77836, 97295, 194590, 389180]

約数ペア:

[(1, 389180), (2, 194590), (4, 97295), (5, 77836), (10, 38918), (11, 35380), (20, 19459), (22, 17690), (29, 13420), (44, 8845), (55, 7076), (58, 6710), (61, 6380), (110, 3538), (116, 3355), (122, 3190), (145, 2684), (220, 1769), (244, 1595), (290, 1342), (305, 1276), (319, 1220), (580, 671), (610, 638)]