28915810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^2$

素因数の和:136

約数の個数: 96

約数和(自身を含む): 70201728

約数和(自身を除く): 41285918

約数列:

[1, 2, 5, 7, 10, 11, 14, 17, 22, 34, 35, 47, 55, 70, 77, 85, 94, 110, 119, 154, 170, 187, 235, 238, 329, 374, 385, 470, 517, 595, 658, 770, 799, 935, 1034, 1190, 1309, 1598, 1645, 1870, 2209, 2585, 2618, 3290, 3619, 3995, 4418, 5170, 5593, 6545, 7238, 7990, 8789, 11045, 11186, 13090, 15463, 17578, 18095, 22090, 24299, 27965, 30926, 36190, 37553, 43945, 48598, 55930, 61523, 75106, 77315, 87890, 121495, 123046, 154630, 170093, 187765, 242990, 262871, 307615, 340186, 375530, 413083, 525742, 615230, 826166, 850465, 1314355, 1700930, 2065415, 2628710, 2891581, 4130830, 5783162, 14457905, 28915810]

約数ペア:

[(1, 28915810), (2, 14457905), (5, 5783162), (7, 4130830), (10, 2891581), (11, 2628710), (14, 2065415), (17, 1700930), (22, 1314355), (34, 850465), (35, 826166), (47, 615230), (55, 525742), (70, 413083), (77, 375530), (85, 340186), (94, 307615), (110, 262871), (119, 242990), (154, 187765), (170, 170093), (187, 154630), (235, 123046), (238, 121495), (329, 87890), (374, 77315), (385, 75106), (470, 61523), (517, 55930), (595, 48598), (658, 43945), (770, 37553), (799, 36190), (935, 30926), (1034, 27965), (1190, 24299), (1309, 22090), (1598, 18095), (1645, 17578), (1870, 15463), (2209, 13090), (2585, 11186), (2618, 11045), (3290, 8789), (3619, 7990), (3995, 7238), (4418, 6545), (5170, 5593)]