220826620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{29761}}^1$

素因数の和:29830

約数の個数: 48

約数和(自身を含む): 540001728

約数和(自身を除く): 319175108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 140, 212, 265, 371, 530, 742, 1060, 1484, 1855, 3710, 7420, 29761, 59522, 119044, 148805, 208327, 297610, 416654, 595220, 833308, 1041635, 1577333, 2083270, 3154666, 4166540, 6309332, 7886665, 11041331, 15773330, 22082662, 31546660, 44165324, 55206655, 110413310, 220826620]

約数ペア:

[(1, 220826620), (2, 110413310), (4, 55206655), (5, 44165324), (7, 31546660), (10, 22082662), (14, 15773330), (20, 11041331), (28, 7886665), (35, 6309332), (53, 4166540), (70, 3154666), (106, 2083270), (140, 1577333), (212, 1041635), (265, 833308), (371, 595220), (530, 416654), (742, 297610), (1060, 208327), (1484, 148805), (1855, 119044), (3710, 59522), (7420, 29761)]