82451450

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{379}}^1$

素因数の和:639

約数の個数: 48

約数和(自身を含む): 162564000

約数和(自身を除く): 80112550

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 229, 379, 458, 475, 758, 950, 1145, 1895, 2290, 3790, 4351, 5725, 7201, 8702, 9475, 11450, 14402, 18950, 21755, 36005, 43510, 72010, 86791, 108775, 173582, 180025, 217550, 360050, 433955, 867910, 1649029, 2169775, 3298058, 4339550, 8245145, 16490290, 41225725, 82451450]

約数ペア:

[(1, 82451450), (2, 41225725), (5, 16490290), (10, 8245145), (19, 4339550), (25, 3298058), (38, 2169775), (50, 1649029), (95, 867910), (190, 433955), (229, 360050), (379, 217550), (458, 180025), (475, 173582), (758, 108775), (950, 86791), (1145, 72010), (1895, 43510), (2290, 36005), (3790, 21755), (4351, 18950), (5725, 14402), (7201, 11450), (8702, 9475)]