72730400

素因数分解:

$2^5\times 5^2\times {\mathrm{229}}^1\times {\mathrm{397}}^1$

素因数の和:646

約数の個数: 72

約数和(自身を含む): 178777620

約数和(自身を除く): 106047220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 229, 397, 400, 458, 794, 800, 916, 1145, 1588, 1832, 1985, 2290, 3176, 3664, 3970, 4580, 5725, 6352, 7328, 7940, 9160, 9925, 11450, 12704, 15880, 18320, 19850, 22900, 31760, 36640, 39700, 45800, 63520, 79400, 90913, 91600, 158800, 181826, 183200, 317600, 363652, 454565, 727304, 909130, 1454608, 1818260, 2272825, 2909216, 3636520, 4545650, 7273040, 9091300, 14546080, 18182600, 36365200, 72730400]

約数ペア:

[(1, 72730400), (2, 36365200), (4, 18182600), (5, 14546080), (8, 9091300), (10, 7273040), (16, 4545650), (20, 3636520), (25, 2909216), (32, 2272825), (40, 1818260), (50, 1454608), (80, 909130), (100, 727304), (160, 454565), (200, 363652), (229, 317600), (397, 183200), (400, 181826), (458, 158800), (794, 91600), (800, 90913), (916, 79400), (1145, 63520), (1588, 45800), (1832, 39700), (1985, 36640), (2290, 31760), (3176, 22900), (3664, 19850), (3970, 18320), (4580, 15880), (5725, 12704), (6352, 11450), (7328, 9925), (7940, 9160)]