79528900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{367}}^1$

素因数の和:589

約数の個数: 72

約数和(自身を含む): 189737856

約数和(自身を除く): 110208956

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 197, 220, 275, 367, 394, 550, 734, 788, 985, 1100, 1468, 1835, 1970, 2167, 3670, 3940, 4037, 4334, 4925, 7340, 8074, 8668, 9175, 9850, 10835, 16148, 18350, 19700, 20185, 21670, 36700, 40370, 43340, 54175, 72299, 80740, 100925, 108350, 144598, 201850, 216700, 289196, 361495, 403700, 722990, 795289, 1445980, 1590578, 1807475, 3181156, 3614950, 3976445, 7229900, 7952890, 15905780, 19882225, 39764450, 79528900]

約数ペア:

[(1, 79528900), (2, 39764450), (4, 19882225), (5, 15905780), (10, 7952890), (11, 7229900), (20, 3976445), (22, 3614950), (25, 3181156), (44, 1807475), (50, 1590578), (55, 1445980), (100, 795289), (110, 722990), (197, 403700), (220, 361495), (275, 289196), (367, 216700), (394, 201850), (550, 144598), (734, 108350), (788, 100925), (985, 80740), (1100, 72299), (1468, 54175), (1835, 43340), (1970, 40370), (2167, 36700), (3670, 21670), (3940, 20185), (4037, 19700), (4334, 18350), (4925, 16148), (7340, 10835), (8074, 9850), (8668, 9175)]