220360840

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{112429}}^1$

素因数の和:112454

約数の個数: 48

約数和(自身を含む): 576765900

約数和(自身を除く): 356405060

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 112429, 224858, 449716, 562145, 787003, 899432, 1124290, 1574006, 2248580, 3148012, 3935015, 4497160, 5509021, 6296024, 7870030, 11018042, 15740060, 22036084, 27545105, 31480120, 44072168, 55090210, 110180420, 220360840]

約数ペア:

[(1, 220360840), (2, 110180420), (4, 55090210), (5, 44072168), (7, 31480120), (8, 27545105), (10, 22036084), (14, 15740060), (20, 11018042), (28, 7870030), (35, 6296024), (40, 5509021), (49, 4497160), (56, 3935015), (70, 3148012), (98, 2248580), (140, 1574006), (196, 1124290), (245, 899432), (280, 787003), (392, 562145), (490, 449716), (980, 224858), (1960, 112429)]