54789990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{887}}^1$

素因数の和:997

約数の個数: 64

約数和(自身を含む): 138101760

約数和(自身を除く): 83311770

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 71, 87, 142, 145, 174, 213, 290, 355, 426, 435, 710, 870, 887, 1065, 1774, 2059, 2130, 2661, 4118, 4435, 5322, 6177, 8870, 10295, 12354, 13305, 20590, 25723, 26610, 30885, 51446, 61770, 62977, 77169, 125954, 128615, 154338, 188931, 257230, 314885, 377862, 385845, 629770, 771690, 944655, 1826333, 1889310, 3652666, 5478999, 9131665, 10957998, 18263330, 27394995, 54789990]

約数ペア:

[(1, 54789990), (2, 27394995), (3, 18263330), (5, 10957998), (6, 9131665), (10, 5478999), (15, 3652666), (29, 1889310), (30, 1826333), (58, 944655), (71, 771690), (87, 629770), (142, 385845), (145, 377862), (174, 314885), (213, 257230), (290, 188931), (355, 154338), (426, 128615), (435, 125954), (710, 77169), (870, 62977), (887, 61770), (1065, 51446), (1774, 30885), (2059, 26610), (2130, 25723), (2661, 20590), (4118, 13305), (4435, 12354), (5322, 10295), (6177, 8870)]