69764780

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{571}}^1$

素因数の和:770

約数の個数: 48

約数和(自身を含む): 151351200

約数和(自身を除く): 81586420

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 149, 164, 205, 298, 410, 571, 596, 745, 820, 1142, 1490, 2284, 2855, 2980, 5710, 6109, 11420, 12218, 23411, 24436, 30545, 46822, 61090, 85079, 93644, 117055, 122180, 170158, 234110, 340316, 425395, 468220, 850790, 1701580, 3488239, 6976478, 13952956, 17441195, 34882390, 69764780]

約数ペア:

[(1, 69764780), (2, 34882390), (4, 17441195), (5, 13952956), (10, 6976478), (20, 3488239), (41, 1701580), (82, 850790), (149, 468220), (164, 425395), (205, 340316), (298, 234110), (410, 170158), (571, 122180), (596, 117055), (745, 93644), (820, 85079), (1142, 61090), (1490, 46822), (2284, 30545), (2855, 24436), (2980, 23411), (5710, 12218), (6109, 11420)]