173664860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{443}}^1\times {\mathrm{1153}}^1$

素因数の和:1622

約数の個数: 48

約数和(自身を含む): 387356256

約数和(自身を除く): 213691396

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 443, 886, 1153, 1772, 2215, 2306, 4430, 4612, 5765, 7531, 8860, 11530, 15062, 19601, 23060, 30124, 37655, 39202, 75310, 78404, 98005, 150620, 196010, 392020, 510779, 1021558, 2043116, 2553895, 5107790, 8683243, 10215580, 17366486, 34732972, 43416215, 86832430, 173664860]

約数ペア:

[(1, 173664860), (2, 86832430), (4, 43416215), (5, 34732972), (10, 17366486), (17, 10215580), (20, 8683243), (34, 5107790), (68, 2553895), (85, 2043116), (170, 1021558), (340, 510779), (443, 392020), (886, 196010), (1153, 150620), (1772, 98005), (2215, 78404), (2306, 75310), (4430, 39202), (4612, 37655), (5765, 30124), (7531, 23060), (8860, 19601), (11530, 15062)]