217386700

素因数分解:

$2^2\times 5^2\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{307}}^1$

素因数の和:491

約数の個数: 72

約数和(自身を含む): 484694672

約数和(自身を除く): 267307972

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 73, 97, 100, 146, 194, 292, 307, 365, 388, 485, 614, 730, 970, 1228, 1460, 1535, 1825, 1940, 2425, 3070, 3650, 4850, 6140, 7081, 7300, 7675, 9700, 14162, 15350, 22411, 28324, 29779, 30700, 35405, 44822, 59558, 70810, 89644, 112055, 119116, 141620, 148895, 177025, 224110, 297790, 354050, 448220, 560275, 595580, 708100, 744475, 1120550, 1488950, 2173867, 2241100, 2977900, 4347734, 8695468, 10869335, 21738670, 43477340, 54346675, 108693350, 217386700]

約数ペア:

[(1, 217386700), (2, 108693350), (4, 54346675), (5, 43477340), (10, 21738670), (20, 10869335), (25, 8695468), (50, 4347734), (73, 2977900), (97, 2241100), (100, 2173867), (146, 1488950), (194, 1120550), (292, 744475), (307, 708100), (365, 595580), (388, 560275), (485, 448220), (614, 354050), (730, 297790), (970, 224110), (1228, 177025), (1460, 148895), (1535, 141620), (1825, 119116), (1940, 112055), (2425, 89644), (3070, 70810), (3650, 59558), (4850, 44822), (6140, 35405), (7081, 30700), (7300, 29779), (7675, 28324), (9700, 22411), (14162, 15350)]