83754220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^2$

素因数の和:239

約数の個数: 72

約数和(自身を含む): 197518608

約数和(自身を除く): 113764388

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 79, 110, 122, 158, 220, 244, 305, 316, 395, 610, 671, 790, 869, 1220, 1342, 1580, 1738, 2684, 3355, 3476, 4345, 4819, 6241, 6710, 8690, 9638, 12482, 13420, 17380, 19276, 24095, 24964, 31205, 48190, 53009, 62410, 68651, 96380, 106018, 124820, 137302, 212036, 265045, 274604, 343255, 380701, 530090, 686510, 761402, 1060180, 1373020, 1522804, 1903505, 3807010, 4187711, 7614020, 8375422, 16750844, 20938555, 41877110, 83754220]

約数ペア:

[(1, 83754220), (2, 41877110), (4, 20938555), (5, 16750844), (10, 8375422), (11, 7614020), (20, 4187711), (22, 3807010), (44, 1903505), (55, 1522804), (61, 1373020), (79, 1060180), (110, 761402), (122, 686510), (158, 530090), (220, 380701), (244, 343255), (305, 274604), (316, 265045), (395, 212036), (610, 137302), (671, 124820), (790, 106018), (869, 96380), (1220, 68651), (1342, 62410), (1580, 53009), (1738, 48190), (2684, 31205), (3355, 24964), (3476, 24095), (4345, 19276), (4819, 17380), (6241, 13420), (6710, 12482), (8690, 9638)]