90576220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{2707}}^1$

素因数の和:2962

約数の個数: 48

約数和(自身を含む): 218373120

約数和(自身を除く): 127796900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 239, 478, 956, 1195, 1673, 2390, 2707, 3346, 4780, 5414, 6692, 8365, 10828, 13535, 16730, 18949, 27070, 33460, 37898, 54140, 75796, 94745, 189490, 378980, 646973, 1293946, 2587892, 3234865, 4528811, 6469730, 9057622, 12939460, 18115244, 22644055, 45288110, 90576220]

約数ペア:

[(1, 90576220), (2, 45288110), (4, 22644055), (5, 18115244), (7, 12939460), (10, 9057622), (14, 6469730), (20, 4528811), (28, 3234865), (35, 2587892), (70, 1293946), (140, 646973), (239, 378980), (478, 189490), (956, 94745), (1195, 75796), (1673, 54140), (2390, 37898), (2707, 33460), (3346, 27070), (4780, 18949), (5414, 16730), (6692, 13535), (8365, 10828)]