449747240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{661393}}^1$

素因数の和:661421

約数の個数: 32

約数和(自身を含む): 1071458280

約数和(自身を除く): 621711040

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 661393, 1322786, 2645572, 3306965, 5291144, 6613930, 11243681, 13227860, 22487362, 26455720, 44974724, 56218405, 89949448, 112436810, 224873620, 449747240]

約数ペア:

[(1, 449747240), (2, 224873620), (4, 112436810), (5, 89949448), (8, 56218405), (10, 44974724), (17, 26455720), (20, 22487362), (34, 13227860), (40, 11243681), (68, 6613930), (85, 5291144), (136, 3306965), (170, 2645572), (340, 1322786), (680, 661393)]