177642980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{5021}}^1$

素因数の和:5120

約数の個数: 48

約数和(自身を含む): 392318640

約数和(自身を除く): 214675660

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 61, 116, 122, 145, 244, 290, 305, 580, 610, 1220, 1769, 3538, 5021, 7076, 8845, 10042, 17690, 20084, 25105, 35380, 50210, 100420, 145609, 291218, 306281, 582436, 612562, 728045, 1225124, 1456090, 1531405, 2912180, 3062810, 6125620, 8882149, 17764298, 35528596, 44410745, 88821490, 177642980]

約数ペア:

[(1, 177642980), (2, 88821490), (4, 44410745), (5, 35528596), (10, 17764298), (20, 8882149), (29, 6125620), (58, 3062810), (61, 2912180), (116, 1531405), (122, 1456090), (145, 1225124), (244, 728045), (290, 612562), (305, 582436), (580, 306281), (610, 291218), (1220, 145609), (1769, 100420), (3538, 50210), (5021, 35380), (7076, 25105), (8845, 20084), (10042, 17690)]