998805220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{241}}^1\times {\mathrm{4229}}^1$

素因数の和:4493

約数の個数: 72

約数和(自身を含む): 2450642040

約数和(自身を除く): 1451836820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 241, 245, 482, 490, 964, 980, 1205, 1687, 2410, 3374, 4229, 4820, 6748, 8435, 8458, 11809, 16870, 16916, 21145, 23618, 29603, 33740, 42290, 47236, 59045, 59206, 84580, 118090, 118412, 148015, 207221, 236180, 296030, 414442, 592060, 828884, 1019189, 1036105, 2038378, 2072210, 4076756, 4144420, 5095945, 7134323, 10191890, 14268646, 20383780, 28537292, 35671615, 49940261, 71343230, 99880522, 142686460, 199761044, 249701305, 499402610, 998805220]

約数ペア:

[(1, 998805220), (2, 499402610), (4, 249701305), (5, 199761044), (7, 142686460), (10, 99880522), (14, 71343230), (20, 49940261), (28, 35671615), (35, 28537292), (49, 20383780), (70, 14268646), (98, 10191890), (140, 7134323), (196, 5095945), (241, 4144420), (245, 4076756), (482, 2072210), (490, 2038378), (964, 1036105), (980, 1019189), (1205, 828884), (1687, 592060), (2410, 414442), (3374, 296030), (4229, 236180), (4820, 207221), (6748, 148015), (8435, 118412), (8458, 118090), (11809, 84580), (16870, 59206), (16916, 59045), (21145, 47236), (23618, 42290), (29603, 33740)]