90240460

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{991}}^1$

素因数の和:1186

約数の個数: 48

約数和(自身を含む): 197487360

約数和(自身を除く): 107246900

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 157, 290, 314, 580, 628, 785, 991, 1570, 1982, 3140, 3964, 4553, 4955, 9106, 9910, 18212, 19820, 22765, 28739, 45530, 57478, 91060, 114956, 143695, 155587, 287390, 311174, 574780, 622348, 777935, 1555870, 3111740, 4512023, 9024046, 18048092, 22560115, 45120230, 90240460]

約数ペア:

[(1, 90240460), (2, 45120230), (4, 22560115), (5, 18048092), (10, 9024046), (20, 4512023), (29, 3111740), (58, 1555870), (116, 777935), (145, 622348), (157, 574780), (290, 311174), (314, 287390), (580, 155587), (628, 143695), (785, 114956), (991, 91060), (1570, 57478), (1982, 45530), (3140, 28739), (3964, 22765), (4553, 19820), (4955, 18212), (9106, 9910)]