99686900

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{239}}^1$

素因数の和:393

約数の個数: 72

約数和(自身を含む): 224568960

約数和(自身を除く): 124882060

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 97, 100, 172, 194, 215, 239, 388, 430, 478, 485, 860, 956, 970, 1075, 1195, 1940, 2150, 2390, 2425, 4171, 4300, 4780, 4850, 5975, 8342, 9700, 10277, 11950, 16684, 20554, 20855, 23183, 23900, 41108, 41710, 46366, 51385, 83420, 92732, 102770, 104275, 115915, 205540, 208550, 231830, 256925, 417100, 463660, 513850, 579575, 996869, 1027700, 1159150, 1993738, 2318300, 3987476, 4984345, 9968690, 19937380, 24921725, 49843450, 99686900]

約数ペア:

[(1, 99686900), (2, 49843450), (4, 24921725), (5, 19937380), (10, 9968690), (20, 4984345), (25, 3987476), (43, 2318300), (50, 1993738), (86, 1159150), (97, 1027700), (100, 996869), (172, 579575), (194, 513850), (215, 463660), (239, 417100), (388, 256925), (430, 231830), (478, 208550), (485, 205540), (860, 115915), (956, 104275), (970, 102770), (1075, 92732), (1195, 83420), (1940, 51385), (2150, 46366), (2390, 41710), (2425, 41108), (4171, 23900), (4300, 23183), (4780, 20855), (4850, 20554), (5975, 16684), (8342, 11950), (9700, 10277)]