1295740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:166

約数の個数: 48

約数和(自身を含む): 2987712

約数和(自身を除く): 1691972

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 37, 68, 74, 85, 103, 148, 170, 185, 206, 340, 370, 412, 515, 629, 740, 1030, 1258, 1751, 2060, 2516, 3145, 3502, 3811, 6290, 7004, 7622, 8755, 12580, 15244, 17510, 19055, 35020, 38110, 64787, 76220, 129574, 259148, 323935, 647870, 1295740]

約数ペア:

[(1, 1295740), (2, 647870), (4, 323935), (5, 259148), (10, 129574), (17, 76220), (20, 64787), (34, 38110), (37, 35020), (68, 19055), (74, 17510), (85, 15244), (103, 12580), (148, 8755), (170, 7622), (185, 7004), (206, 6290), (340, 3811), (370, 3502), (412, 3145), (515, 2516), (629, 2060), (740, 1751), (1030, 1258)]