487207700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{457}}^1\times {\mathrm{1523}}^1$

素因数の和:2001

約数の個数: 72

約数和(自身を含む): 1211714112

約数和(自身を除く): 724506412

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 457, 700, 914, 1523, 1828, 2285, 3046, 3199, 4570, 6092, 6398, 7615, 9140, 10661, 11425, 12796, 15230, 15995, 21322, 22850, 30460, 31990, 38075, 42644, 45700, 53305, 63980, 76150, 79975, 106610, 152300, 159950, 213220, 266525, 319900, 533050, 696011, 1066100, 1392022, 2784044, 3480055, 4872077, 6960110, 9744154, 13920220, 17400275, 19488308, 24360385, 34800550, 48720770, 69601100, 97441540, 121801925, 243603850, 487207700]

約数ペア:

[(1, 487207700), (2, 243603850), (4, 121801925), (5, 97441540), (7, 69601100), (10, 48720770), (14, 34800550), (20, 24360385), (25, 19488308), (28, 17400275), (35, 13920220), (50, 9744154), (70, 6960110), (100, 4872077), (140, 3480055), (175, 2784044), (350, 1392022), (457, 1066100), (700, 696011), (914, 533050), (1523, 319900), (1828, 266525), (2285, 213220), (3046, 159950), (3199, 152300), (4570, 106610), (6092, 79975), (6398, 76150), (7615, 63980), (9140, 53305), (10661, 45700), (11425, 42644), (12796, 38075), (15230, 31990), (15995, 30460), (21322, 22850)]