425042380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{12703}}^1$

素因数の和:12958

約数の個数: 48

約数和(自身を含む): 1024450560

約数和(自身を除く): 599408180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 239, 478, 956, 1195, 1673, 2390, 3346, 4780, 6692, 8365, 12703, 16730, 25406, 33460, 50812, 63515, 88921, 127030, 177842, 254060, 355684, 444605, 889210, 1778420, 3036017, 6072034, 12144068, 15180085, 21252119, 30360170, 42504238, 60720340, 85008476, 106260595, 212521190, 425042380]

約数ペア:

[(1, 425042380), (2, 212521190), (4, 106260595), (5, 85008476), (7, 60720340), (10, 42504238), (14, 30360170), (20, 21252119), (28, 15180085), (35, 12144068), (70, 6072034), (140, 3036017), (239, 1778420), (478, 889210), (956, 444605), (1195, 355684), (1673, 254060), (2390, 177842), (3346, 127030), (4780, 88921), (6692, 63515), (8365, 50812), (12703, 33460), (16730, 25406)]