768400

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{113}}^1$

素因数の和:148

約数の個数: 60

約数和(自身を含む): 1971972

約数和(自身を除く): 1203572

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 100, 113, 136, 170, 200, 226, 272, 340, 400, 425, 452, 565, 680, 850, 904, 1130, 1360, 1700, 1808, 1921, 2260, 2825, 3400, 3842, 4520, 5650, 6800, 7684, 9040, 9605, 11300, 15368, 19210, 22600, 30736, 38420, 45200, 48025, 76840, 96050, 153680, 192100, 384200, 768400]

約数ペア:

[(1, 768400), (2, 384200), (4, 192100), (5, 153680), (8, 96050), (10, 76840), (16, 48025), (17, 45200), (20, 38420), (25, 30736), (34, 22600), (40, 19210), (50, 15368), (68, 11300), (80, 9605), (85, 9040), (100, 7684), (113, 6800), (136, 5650), (170, 4520), (200, 3842), (226, 3400), (272, 2825), (340, 2260), (400, 1921), (425, 1808), (452, 1700), (565, 1360), (680, 1130), (850, 904)]