838496720

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{361421}}^1$

素因数の和:361463

約数の個数: 40

約数和(自身を含む): 2016734760

約数和(自身を除く): 1178238040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 361421, 722842, 1445684, 1807105, 2891368, 3614210, 5782736, 7228420, 10481209, 14456840, 20962418, 28913680, 41924836, 52406045, 83849672, 104812090, 167699344, 209624180, 419248360, 838496720]

約数ペア:

[(1, 838496720), (2, 419248360), (4, 209624180), (5, 167699344), (8, 104812090), (10, 83849672), (16, 52406045), (20, 41924836), (29, 28913680), (40, 20962418), (58, 14456840), (80, 10481209), (116, 7228420), (145, 5782736), (232, 3614210), (290, 2891368), (464, 1807105), (580, 1445684), (1160, 722842), (2320, 361421)]