199454990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{233}}^1\times {\mathrm{1747}}^1$

素因数の和:2001

約数の個数: 48

約数和(自身を含む): 419666832

約数和(自身を除く): 220211842

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 233, 245, 466, 490, 1165, 1631, 1747, 2330, 3262, 3494, 8155, 8735, 11417, 12229, 16310, 17470, 22834, 24458, 57085, 61145, 85603, 114170, 122290, 171206, 407051, 428015, 814102, 856030, 2035255, 2849357, 4070510, 5698714, 14246785, 19945499, 28493570, 39890998, 99727495, 199454990]

約数ペア:

[(1, 199454990), (2, 99727495), (5, 39890998), (7, 28493570), (10, 19945499), (14, 14246785), (35, 5698714), (49, 4070510), (70, 2849357), (98, 2035255), (233, 856030), (245, 814102), (466, 428015), (490, 407051), (1165, 171206), (1631, 122290), (1747, 114170), (2330, 85603), (3262, 61145), (3494, 57085), (8155, 24458), (8735, 22834), (11417, 17470), (12229, 16310)]