212840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{313}}^1$

素因数の和:341

約数の個数: 32

約数和(自身を含む): 508680

約数和(自身を除く): 295840

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 313, 340, 626, 680, 1252, 1565, 2504, 3130, 5321, 6260, 10642, 12520, 21284, 26605, 42568, 53210, 106420, 212840]

約数ペア:

[(1, 212840), (2, 106420), (4, 53210), (5, 42568), (8, 26605), (10, 21284), (17, 12520), (20, 10642), (34, 6260), (40, 5321), (68, 3130), (85, 2504), (136, 1565), (170, 1252), (313, 680), (340, 626)]