31077700

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{181}}^1$

素因数の和:313

約数の個数: 72

約数和(自身を含む): 72510984

約数和(自身を除く): 41433284

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 101, 170, 181, 202, 340, 362, 404, 425, 505, 724, 850, 905, 1010, 1700, 1717, 1810, 2020, 2525, 3077, 3434, 3620, 4525, 5050, 6154, 6868, 8585, 9050, 10100, 12308, 15385, 17170, 18100, 18281, 30770, 34340, 36562, 42925, 61540, 73124, 76925, 85850, 91405, 153850, 171700, 182810, 307700, 310777, 365620, 457025, 621554, 914050, 1243108, 1553885, 1828100, 3107770, 6215540, 7769425, 15538850, 31077700]

約数ペア:

[(1, 31077700), (2, 15538850), (4, 7769425), (5, 6215540), (10, 3107770), (17, 1828100), (20, 1553885), (25, 1243108), (34, 914050), (50, 621554), (68, 457025), (85, 365620), (100, 310777), (101, 307700), (170, 182810), (181, 171700), (202, 153850), (340, 91405), (362, 85850), (404, 76925), (425, 73124), (505, 61540), (724, 42925), (850, 36562), (905, 34340), (1010, 30770), (1700, 18281), (1717, 18100), (1810, 17170), (2020, 15385), (2525, 12308), (3077, 10100), (3434, 9050), (3620, 8585), (4525, 6868), (5050, 6154)]