38904970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{829}}^1$

素因数の和:887

約数の個数: 48

約数和(自身を含む): 79689960

約数和(自身を除く): 40784990

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 361, 494, 722, 829, 1235, 1658, 1805, 2470, 3610, 4145, 4693, 8290, 9386, 10777, 15751, 21554, 23465, 31502, 46930, 53885, 78755, 107770, 157510, 204763, 299269, 409526, 598538, 1023815, 1496345, 2047630, 2992690, 3890497, 7780994, 19452485, 38904970]

約数ペア:

[(1, 38904970), (2, 19452485), (5, 7780994), (10, 3890497), (13, 2992690), (19, 2047630), (26, 1496345), (38, 1023815), (65, 598538), (95, 409526), (130, 299269), (190, 204763), (247, 157510), (361, 107770), (494, 78755), (722, 53885), (829, 46930), (1235, 31502), (1658, 23465), (1805, 21554), (2470, 15751), (3610, 10777), (4145, 9386), (4693, 8290)]