74681540

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{2347}}^1$

素因数の和:2436

約数の個数: 48

約数和(自身を含む): 164885952

約数和(自身を除く): 90204412

約数列:

[1, 2, 4, 5, 10, 20, 37, 43, 74, 86, 148, 172, 185, 215, 370, 430, 740, 860, 1591, 2347, 3182, 4694, 6364, 7955, 9388, 11735, 15910, 23470, 31820, 46940, 86839, 100921, 173678, 201842, 347356, 403684, 434195, 504605, 868390, 1009210, 1736780, 2018420, 3734077, 7468154, 14936308, 18670385, 37340770, 74681540]

約数ペア:

[(1, 74681540), (2, 37340770), (4, 18670385), (5, 14936308), (10, 7468154), (20, 3734077), (37, 2018420), (43, 1736780), (74, 1009210), (86, 868390), (148, 504605), (172, 434195), (185, 403684), (215, 347356), (370, 201842), (430, 173678), (740, 100921), (860, 86839), (1591, 46940), (2347, 31820), (3182, 23470), (4694, 15910), (6364, 11735), (7955, 9388)]