390366920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{673}}^1\times {\mathrm{853}}^1$

素因数の和:1554

約数の個数: 64

約数和(自身を含む): 932465520

約数和(自身を除く): 542098600

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 673, 680, 853, 1346, 1706, 2692, 3365, 3412, 4265, 5384, 6730, 6824, 8530, 11441, 13460, 14501, 17060, 22882, 26920, 29002, 34120, 45764, 57205, 58004, 72505, 91528, 114410, 116008, 145010, 228820, 290020, 457640, 574069, 580040, 1148138, 2296276, 2870345, 4592552, 5740690, 9759173, 11481380, 19518346, 22962760, 39036692, 48795865, 78073384, 97591730, 195183460, 390366920]

約数ペア:

[(1, 390366920), (2, 195183460), (4, 97591730), (5, 78073384), (8, 48795865), (10, 39036692), (17, 22962760), (20, 19518346), (34, 11481380), (40, 9759173), (68, 5740690), (85, 4592552), (136, 2870345), (170, 2296276), (340, 1148138), (673, 580040), (680, 574069), (853, 457640), (1346, 290020), (1706, 228820), (2692, 145010), (3365, 116008), (3412, 114410), (4265, 91528), (5384, 72505), (6730, 58004), (6824, 57205), (8530, 45764), (11441, 34120), (13460, 29002), (14501, 26920), (17060, 22882)]