84291020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{571}}^1$

素因数の和:663

約数の個数: 72

約数和(自身を含む): 198101904

約数和(自身を除く): 113810884

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 110, 121, 122, 220, 242, 244, 305, 484, 571, 605, 610, 671, 1142, 1210, 1220, 1342, 2284, 2420, 2684, 2855, 3355, 5710, 6281, 6710, 7381, 11420, 12562, 13420, 14762, 25124, 29524, 31405, 34831, 36905, 62810, 69091, 69662, 73810, 125620, 138182, 139324, 147620, 174155, 276364, 345455, 348310, 383141, 690910, 696620, 766282, 1381820, 1532564, 1915705, 3831410, 4214551, 7662820, 8429102, 16858204, 21072755, 42145510, 84291020]

約数ペア:

[(1, 84291020), (2, 42145510), (4, 21072755), (5, 16858204), (10, 8429102), (11, 7662820), (20, 4214551), (22, 3831410), (44, 1915705), (55, 1532564), (61, 1381820), (110, 766282), (121, 696620), (122, 690910), (220, 383141), (242, 348310), (244, 345455), (305, 276364), (484, 174155), (571, 147620), (605, 139324), (610, 138182), (671, 125620), (1142, 73810), (1210, 69662), (1220, 69091), (1342, 62810), (2284, 36905), (2420, 34831), (2684, 31405), (2855, 29524), (3355, 25124), (5710, 14762), (6281, 13420), (6710, 12562), (7381, 11420)]