137905820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{2777}}^1$

素因数の和:2990

約数の個数: 48

約数和(自身を含む): 313625088

約数和(自身を除く): 175719268

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 191, 260, 382, 764, 955, 1910, 2483, 2777, 3820, 4966, 5554, 9932, 11108, 12415, 13885, 24830, 27770, 36101, 49660, 55540, 72202, 144404, 180505, 361010, 530407, 722020, 1060814, 2121628, 2652035, 5304070, 6895291, 10608140, 13790582, 27581164, 34476455, 68952910, 137905820]

約数ペア:

[(1, 137905820), (2, 68952910), (4, 34476455), (5, 27581164), (10, 13790582), (13, 10608140), (20, 6895291), (26, 5304070), (52, 2652035), (65, 2121628), (130, 1060814), (191, 722020), (260, 530407), (382, 361010), (764, 180505), (955, 144404), (1910, 72202), (2483, 55540), (2777, 49660), (3820, 36101), (4966, 27770), (5554, 24830), (9932, 13885), (11108, 12415)]