63728980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{4507}}^1$

素因数の和:4624

約数の個数: 48

約数和(自身を含む): 154498176

約数和(自身を除く): 90769196

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 101, 140, 202, 404, 505, 707, 1010, 1414, 2020, 2828, 3535, 4507, 7070, 9014, 14140, 18028, 22535, 31549, 45070, 63098, 90140, 126196, 157745, 315490, 455207, 630980, 910414, 1820828, 2276035, 3186449, 4552070, 6372898, 9104140, 12745796, 15932245, 31864490, 63728980]

約数ペア:

[(1, 63728980), (2, 31864490), (4, 15932245), (5, 12745796), (7, 9104140), (10, 6372898), (14, 4552070), (20, 3186449), (28, 2276035), (35, 1820828), (70, 910414), (101, 630980), (140, 455207), (202, 315490), (404, 157745), (505, 126196), (707, 90140), (1010, 63098), (1414, 45070), (2020, 31549), (2828, 22535), (3535, 18028), (4507, 14140), (7070, 9014)]