127966180

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{191}}^1\times {\mathrm{241}}^1$

素因数の和:580

約数の個数: 48

約数和(自身を含む): 273208320

約数和(自身を除く): 145242140

約数列:

[1, 2, 4, 5, 10, 20, 139, 191, 241, 278, 382, 482, 556, 695, 764, 955, 964, 1205, 1390, 1910, 2410, 2780, 3820, 4820, 26549, 33499, 46031, 53098, 66998, 92062, 106196, 132745, 133996, 167495, 184124, 230155, 265490, 334990, 460310, 530980, 669980, 920620, 6398309, 12796618, 25593236, 31991545, 63983090, 127966180]

約数ペア:

[(1, 127966180), (2, 63983090), (4, 31991545), (5, 25593236), (10, 12796618), (20, 6398309), (139, 920620), (191, 669980), (241, 530980), (278, 460310), (382, 334990), (482, 265490), (556, 230155), (695, 184124), (764, 167495), (955, 133996), (964, 132745), (1205, 106196), (1390, 92062), (1910, 66998), (2410, 53098), (2780, 46031), (3820, 33499), (4820, 26549)]