504400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1$

素因数の和:128

約数の個数: 60

約数和(自身を含む): 1318492

約数和(自身を除く): 814092

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 97, 100, 104, 130, 194, 200, 208, 260, 325, 388, 400, 485, 520, 650, 776, 970, 1040, 1261, 1300, 1552, 1940, 2425, 2522, 2600, 3880, 4850, 5044, 5200, 6305, 7760, 9700, 10088, 12610, 19400, 20176, 25220, 31525, 38800, 50440, 63050, 100880, 126100, 252200, 504400]

約数ペア:

[(1, 504400), (2, 252200), (4, 126100), (5, 100880), (8, 63050), (10, 50440), (13, 38800), (16, 31525), (20, 25220), (25, 20176), (26, 19400), (40, 12610), (50, 10088), (52, 9700), (65, 7760), (80, 6305), (97, 5200), (100, 5044), (104, 4850), (130, 3880), (194, 2600), (200, 2522), (208, 2425), (260, 1940), (325, 1552), (388, 1300), (400, 1261), (485, 1040), (520, 970), (650, 776)]