139638940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{6353}}^1$

素因数の和:6526

約数の個数: 48

約数和(自身を含む): 337321152

約数和(自身を除く): 197682212

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 157, 314, 628, 785, 1099, 1570, 2198, 3140, 4396, 5495, 6353, 10990, 12706, 21980, 25412, 31765, 44471, 63530, 88942, 127060, 177884, 222355, 444710, 889420, 997421, 1994842, 3989684, 4987105, 6981947, 9974210, 13963894, 19948420, 27927788, 34909735, 69819470, 139638940]

約数ペア:

[(1, 139638940), (2, 69819470), (4, 34909735), (5, 27927788), (7, 19948420), (10, 13963894), (14, 9974210), (20, 6981947), (28, 4987105), (35, 3989684), (70, 1994842), (140, 997421), (157, 889420), (314, 444710), (628, 222355), (785, 177884), (1099, 127060), (1570, 88942), (2198, 63530), (3140, 44471), (4396, 31765), (5495, 25412), (6353, 21980), (10990, 12706)]