258691890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{17491}}^1$

素因数の和:17547

約数の個数: 64

約数和(自身を含む): 680088960

約数和(自身を除く): 421397070

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 29, 30, 34, 51, 58, 85, 87, 102, 145, 170, 174, 255, 290, 435, 493, 510, 870, 986, 1479, 2465, 2958, 4930, 7395, 14790, 17491, 34982, 52473, 87455, 104946, 174910, 262365, 297347, 507239, 524730, 594694, 892041, 1014478, 1486735, 1521717, 1784082, 2536195, 2973470, 3043434, 4460205, 5072390, 7608585, 8623063, 8920410, 15217170, 17246126, 25869189, 43115315, 51738378, 86230630, 129345945, 258691890]

約数ペア:

[(1, 258691890), (2, 129345945), (3, 86230630), (5, 51738378), (6, 43115315), (10, 25869189), (15, 17246126), (17, 15217170), (29, 8920410), (30, 8623063), (34, 7608585), (51, 5072390), (58, 4460205), (85, 3043434), (87, 2973470), (102, 2536195), (145, 1784082), (170, 1521717), (174, 1486735), (255, 1014478), (290, 892041), (435, 594694), (493, 524730), (510, 507239), (870, 297347), (986, 262365), (1479, 174910), (2465, 104946), (2958, 87455), (4930, 52473), (7395, 34982), (14790, 17491)]