316781140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{6379}}^1$

素因数の和:6592

約数の個数: 48

約数和(自身を含む): 720276480

約数和(自身を除く): 403495340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 191, 260, 382, 764, 955, 1910, 2483, 3820, 4966, 6379, 9932, 12415, 12758, 24830, 25516, 31895, 49660, 63790, 82927, 127580, 165854, 331708, 414635, 829270, 1218389, 1658540, 2436778, 4873556, 6091945, 12183890, 15839057, 24367780, 31678114, 63356228, 79195285, 158390570, 316781140]

約数ペア:

[(1, 316781140), (2, 158390570), (4, 79195285), (5, 63356228), (10, 31678114), (13, 24367780), (20, 15839057), (26, 12183890), (52, 6091945), (65, 4873556), (130, 2436778), (191, 1658540), (260, 1218389), (382, 829270), (764, 414635), (955, 331708), (1910, 165854), (2483, 127580), (3820, 82927), (4966, 63790), (6379, 49660), (9932, 31895), (12415, 25516), (12758, 24830)]