201809140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{7121}}^1$

素因数の和:7252

約数の個数: 48

約数和(自身を含む): 460650960

約数和(自身を除く): 258841820

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 109, 130, 218, 260, 436, 545, 1090, 1417, 2180, 2834, 5668, 7085, 7121, 14170, 14242, 28340, 28484, 35605, 71210, 92573, 142420, 185146, 370292, 462865, 776189, 925730, 1552378, 1851460, 3104756, 3880945, 7761890, 10090457, 15523780, 20180914, 40361828, 50452285, 100904570, 201809140]

約数ペア:

[(1, 201809140), (2, 100904570), (4, 50452285), (5, 40361828), (10, 20180914), (13, 15523780), (20, 10090457), (26, 7761890), (52, 3880945), (65, 3104756), (109, 1851460), (130, 1552378), (218, 925730), (260, 776189), (436, 462865), (545, 370292), (1090, 185146), (1417, 142420), (2180, 92573), (2834, 71210), (5668, 35605), (7085, 28484), (7121, 28340), (14170, 14242)]