388274690

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{65921}}^1$

素因数の和:65978

約数の個数: 32

約数和(自身を含む): 759421440

約数和(自身を除く): 371146750

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 95, 155, 190, 310, 589, 1178, 2945, 5890, 65921, 131842, 329605, 659210, 1252499, 2043551, 2504998, 4087102, 6262495, 10217755, 12524990, 20435510, 38827469, 77654938, 194137345, 388274690]

約数ペア:

[(1, 388274690), (2, 194137345), (5, 77654938), (10, 38827469), (19, 20435510), (31, 12524990), (38, 10217755), (62, 6262495), (95, 4087102), (155, 2504998), (190, 2043551), (310, 1252499), (589, 659210), (1178, 329605), (2945, 131842), (5890, 65921)]