212927720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{313129}}^1$

素因数の和:313157

約数の個数: 32

約数和(自身を含む): 507270600

約数和(自身を除く): 294342880

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 313129, 626258, 1252516, 1565645, 2505032, 3131290, 5323193, 6262580, 10646386, 12525160, 21292772, 26615965, 42585544, 53231930, 106463860, 212927720]

約数ペア:

[(1, 212927720), (2, 106463860), (4, 53231930), (5, 42585544), (8, 26615965), (10, 21292772), (17, 12525160), (20, 10646386), (34, 6262580), (40, 5323193), (68, 3131290), (85, 2505032), (136, 1565645), (170, 1252516), (340, 626258), (680, 313129)]