200840450

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{1297}}^1$

素因数の和:1491

約数の個数: 48

約数和(自身を含む): 395941920

約数和(自身を除く): 195101470

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 163, 190, 326, 475, 815, 950, 1297, 1630, 2594, 3097, 4075, 6194, 6485, 8150, 12970, 15485, 24643, 30970, 32425, 49286, 64850, 77425, 123215, 154850, 211411, 246430, 422822, 616075, 1057055, 1232150, 2114110, 4016809, 5285275, 8033618, 10570550, 20084045, 40168090, 100420225, 200840450]

約数ペア:

[(1, 200840450), (2, 100420225), (5, 40168090), (10, 20084045), (19, 10570550), (25, 8033618), (38, 5285275), (50, 4016809), (95, 2114110), (163, 1232150), (190, 1057055), (326, 616075), (475, 422822), (815, 246430), (950, 211411), (1297, 154850), (1630, 123215), (2594, 77425), (3097, 64850), (4075, 49286), (6194, 32425), (6485, 30970), (8150, 24643), (12970, 15485)]