1619420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{433}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 3937248

約数和(自身を除く): 2317828

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 433, 748, 866, 935, 1732, 1870, 2165, 3740, 4330, 4763, 7361, 8660, 9526, 14722, 19052, 23815, 29444, 36805, 47630, 73610, 80971, 95260, 147220, 161942, 323884, 404855, 809710, 1619420]

約数ペア:

[(1, 1619420), (2, 809710), (4, 404855), (5, 323884), (10, 161942), (11, 147220), (17, 95260), (20, 80971), (22, 73610), (34, 47630), (44, 36805), (55, 29444), (68, 23815), (85, 19052), (110, 14722), (170, 9526), (187, 8660), (220, 7361), (340, 4763), (374, 4330), (433, 3740), (748, 2165), (866, 1870), (935, 1732)]