28731400

素因数分解:

$2^3\times 5^2\times {\mathrm{97}}^1\times {\mathrm{1481}}^1$

素因数の和:1594

約数の個数: 48

約数和(自身を含む): 67534740

約数和(自身を除く): 38803340

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 97, 100, 194, 200, 388, 485, 776, 970, 1481, 1940, 2425, 2962, 3880, 4850, 5924, 7405, 9700, 11848, 14810, 19400, 29620, 37025, 59240, 74050, 143657, 148100, 287314, 296200, 574628, 718285, 1149256, 1436570, 2873140, 3591425, 5746280, 7182850, 14365700, 28731400]

約数ペア:

[(1, 28731400), (2, 14365700), (4, 7182850), (5, 5746280), (8, 3591425), (10, 2873140), (20, 1436570), (25, 1149256), (40, 718285), (50, 574628), (97, 296200), (100, 287314), (194, 148100), (200, 143657), (388, 74050), (485, 59240), (776, 37025), (970, 29620), (1481, 19400), (1940, 14810), (2425, 11848), (2962, 9700), (3880, 7405), (4850, 5924)]