71644060

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{9923}}^1$

素因数の和:9970

約数の個数: 36

約数和(自身を含む): 158803848

約数和(自身を除く): 87159788

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1444, 1805, 3610, 7220, 9923, 19846, 39692, 49615, 99230, 188537, 198460, 377074, 754148, 942685, 1885370, 3582203, 3770740, 7164406, 14328812, 17911015, 35822030, 71644060]

約数ペア:

[(1, 71644060), (2, 35822030), (4, 17911015), (5, 14328812), (10, 7164406), (19, 3770740), (20, 3582203), (38, 1885370), (76, 942685), (95, 754148), (190, 377074), (361, 198460), (380, 188537), (722, 99230), (1444, 49615), (1805, 39692), (3610, 19846), (7220, 9923)]