285450440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{8887}}^1$

素因数の和:8982

約数の個数: 64

約数和(自身を含む): 710328960

約数和(自身を除く): 424878520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 73, 88, 110, 146, 220, 292, 365, 440, 584, 730, 803, 1460, 1606, 2920, 3212, 4015, 6424, 8030, 8887, 16060, 17774, 32120, 35548, 44435, 71096, 88870, 97757, 177740, 195514, 355480, 391028, 488785, 648751, 782056, 977570, 1297502, 1955140, 2595004, 3243755, 3910280, 5190008, 6487510, 7136261, 12975020, 14272522, 25950040, 28545044, 35681305, 57090088, 71362610, 142725220, 285450440]

約数ペア:

[(1, 285450440), (2, 142725220), (4, 71362610), (5, 57090088), (8, 35681305), (10, 28545044), (11, 25950040), (20, 14272522), (22, 12975020), (40, 7136261), (44, 6487510), (55, 5190008), (73, 3910280), (88, 3243755), (110, 2595004), (146, 1955140), (220, 1297502), (292, 977570), (365, 782056), (440, 648751), (584, 488785), (730, 391028), (803, 355480), (1460, 195514), (1606, 177740), (2920, 97757), (3212, 88870), (4015, 71096), (6424, 44435), (8030, 35548), (8887, 32120), (16060, 17774)]