138702980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{4721}}^1$

素因数の和:4856

約数の個数: 48

約数和(自身を含む): 316525104

約数和(自身を除く): 177822124

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 113, 130, 226, 260, 452, 565, 1130, 1469, 2260, 2938, 4721, 5876, 7345, 9442, 14690, 18884, 23605, 29380, 47210, 61373, 94420, 122746, 245492, 306865, 533473, 613730, 1066946, 1227460, 2133892, 2667365, 5334730, 6935149, 10669460, 13870298, 27740596, 34675745, 69351490, 138702980]

約数ペア:

[(1, 138702980), (2, 69351490), (4, 34675745), (5, 27740596), (10, 13870298), (13, 10669460), (20, 6935149), (26, 5334730), (52, 2667365), (65, 2133892), (113, 1227460), (130, 1066946), (226, 613730), (260, 533473), (452, 306865), (565, 245492), (1130, 122746), (1469, 94420), (2260, 61373), (2938, 47210), (4721, 29380), (5876, 23605), (7345, 18884), (9442, 14690)]