27940180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{2221}}^1$

素因数の和:2284

約数の個数: 48

約数和(自身を含む): 63833616

約数和(自身を除く): 35893436

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 37, 68, 74, 85, 148, 170, 185, 340, 370, 629, 740, 1258, 2221, 2516, 3145, 4442, 6290, 8884, 11105, 12580, 22210, 37757, 44420, 75514, 82177, 151028, 164354, 188785, 328708, 377570, 410885, 755140, 821770, 1397009, 1643540, 2794018, 5588036, 6985045, 13970090, 27940180]

約数ペア:

[(1, 27940180), (2, 13970090), (4, 6985045), (5, 5588036), (10, 2794018), (17, 1643540), (20, 1397009), (34, 821770), (37, 755140), (68, 410885), (74, 377570), (85, 328708), (148, 188785), (170, 164354), (185, 151028), (340, 82177), (370, 75514), (629, 44420), (740, 37757), (1258, 22210), (2221, 12580), (2516, 11105), (3145, 8884), (4442, 6290)]