201832420

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{761}}^1$

素因数の和:1008

約数の個数: 48

約数和(自身を含む): 432054000

約数和(自身を除く): 230221580

約数列:

[1, 2, 4, 5, 10, 20, 89, 149, 178, 298, 356, 445, 596, 745, 761, 890, 1490, 1522, 1780, 2980, 3044, 3805, 7610, 13261, 15220, 26522, 53044, 66305, 67729, 113389, 132610, 135458, 226778, 265220, 270916, 338645, 453556, 566945, 677290, 1133890, 1354580, 2267780, 10091621, 20183242, 40366484, 50458105, 100916210, 201832420]

約数ペア:

[(1, 201832420), (2, 100916210), (4, 50458105), (5, 40366484), (10, 20183242), (20, 10091621), (89, 2267780), (149, 1354580), (178, 1133890), (298, 677290), (356, 566945), (445, 453556), (596, 338645), (745, 270916), (761, 265220), (890, 226778), (1490, 135458), (1522, 132610), (1780, 113389), (2980, 67729), (3044, 66305), (3805, 53044), (7610, 26522), (13261, 15220)]