215750810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1609}}^1$

素因数の和:1703

約数の個数: 64

約数和(自身を含む): 450696960

約数和(自身を除く): 234946150

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 53, 55, 106, 110, 115, 230, 253, 265, 506, 530, 583, 1166, 1219, 1265, 1609, 2438, 2530, 2915, 3218, 5830, 6095, 8045, 12190, 13409, 16090, 17699, 26818, 35398, 37007, 67045, 74014, 85277, 88495, 134090, 170554, 176990, 185035, 370070, 407077, 426385, 814154, 852770, 938047, 1876094, 1961371, 2035385, 3922742, 4070770, 4690235, 9380470, 9806855, 19613710, 21575081, 43150162, 107875405, 215750810]

約数ペア:

[(1, 215750810), (2, 107875405), (5, 43150162), (10, 21575081), (11, 19613710), (22, 9806855), (23, 9380470), (46, 4690235), (53, 4070770), (55, 3922742), (106, 2035385), (110, 1961371), (115, 1876094), (230, 938047), (253, 852770), (265, 814154), (506, 426385), (530, 407077), (583, 370070), (1166, 185035), (1219, 176990), (1265, 170554), (1609, 134090), (2438, 88495), (2530, 85277), (2915, 74014), (3218, 67045), (5830, 37007), (6095, 35398), (8045, 26818), (12190, 17699), (13409, 16090)]