428418620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{14503}}^1$

素因数の和:14730

約数の個数: 48

約数和(自身を含む): 1033148928

約数和(自身を除く): 604730308

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 211, 422, 844, 1055, 1477, 2110, 2954, 4220, 5908, 7385, 14503, 14770, 29006, 29540, 58012, 72515, 101521, 145030, 203042, 290060, 406084, 507605, 1015210, 2030420, 3060133, 6120266, 12240532, 15300665, 21420931, 30601330, 42841862, 61202660, 85683724, 107104655, 214209310, 428418620]

約数ペア:

[(1, 428418620), (2, 214209310), (4, 107104655), (5, 85683724), (7, 61202660), (10, 42841862), (14, 30601330), (20, 21420931), (28, 15300665), (35, 12240532), (70, 6120266), (140, 3060133), (211, 2030420), (422, 1015210), (844, 507605), (1055, 406084), (1477, 290060), (2110, 203042), (2954, 145030), (4220, 101521), (5908, 72515), (7385, 58012), (14503, 29540), (14770, 29006)]