2017394420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{81281}}^1$

素因数の和:81380

約数の個数: 48

約数和(自身を含む): 4547240208

約数和(自身を除く): 2529845788

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 73, 85, 146, 170, 292, 340, 365, 730, 1241, 1460, 2482, 4964, 6205, 12410, 24820, 81281, 162562, 325124, 406405, 812810, 1381777, 1625620, 2763554, 5527108, 5933513, 6908885, 11867026, 13817770, 23734052, 27635540, 29667565, 59335130, 100869721, 118670260, 201739442, 403478884, 504348605, 1008697210, 2017394420]

約数ペア:

[(1, 2017394420), (2, 1008697210), (4, 504348605), (5, 403478884), (10, 201739442), (17, 118670260), (20, 100869721), (34, 59335130), (68, 29667565), (73, 27635540), (85, 23734052), (146, 13817770), (170, 11867026), (292, 6908885), (340, 5933513), (365, 5527108), (730, 2763554), (1241, 1625620), (1460, 1381777), (2482, 812810), (4964, 406405), (6205, 325124), (12410, 162562), (24820, 81281)]