307240880

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{1993}}^1$

素因数の和:2094

約数の個数: 80

約数和(自身を含む): 747702144

約数和(自身を除く): 440461264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 47, 80, 82, 94, 164, 188, 205, 235, 328, 376, 410, 470, 656, 752, 820, 940, 1640, 1880, 1927, 1993, 3280, 3760, 3854, 3986, 7708, 7972, 9635, 9965, 15416, 15944, 19270, 19930, 30832, 31888, 38540, 39860, 77080, 79720, 81713, 93671, 154160, 159440, 163426, 187342, 326852, 374684, 408565, 468355, 653704, 749368, 817130, 936710, 1307408, 1498736, 1634260, 1873420, 3268520, 3746840, 3840511, 6537040, 7493680, 7681022, 15362044, 19202555, 30724088, 38405110, 61448176, 76810220, 153620440, 307240880]

約数ペア:

[(1, 307240880), (2, 153620440), (4, 76810220), (5, 61448176), (8, 38405110), (10, 30724088), (16, 19202555), (20, 15362044), (40, 7681022), (41, 7493680), (47, 6537040), (80, 3840511), (82, 3746840), (94, 3268520), (164, 1873420), (188, 1634260), (205, 1498736), (235, 1307408), (328, 936710), (376, 817130), (410, 749368), (470, 653704), (656, 468355), (752, 408565), (820, 374684), (940, 326852), (1640, 187342), (1880, 163426), (1927, 159440), (1993, 154160), (3280, 93671), (3760, 81713), (3854, 79720), (3986, 77080), (7708, 39860), (7972, 38540), (9635, 31888), (9965, 30832), (15416, 19930), (15944, 19270)]