320469325

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{661}}^1$

素因数の和:766

約数の個数: 48

約数和(自身を含む): 455095872

約数和(自身を除く): 134626547

約数列:

[1, 5, 11, 25, 41, 43, 55, 205, 215, 275, 451, 473, 661, 1025, 1075, 1763, 2255, 2365, 3305, 7271, 8815, 11275, 11825, 16525, 19393, 27101, 28423, 36355, 44075, 96965, 135505, 142115, 181775, 298111, 312653, 484825, 677525, 710575, 1165343, 1490555, 1563265, 5826715, 7452775, 7816325, 12818773, 29133575, 64093865, 320469325]

約数ペア:

[(1, 320469325), (5, 64093865), (11, 29133575), (25, 12818773), (41, 7816325), (43, 7452775), (55, 5826715), (205, 1563265), (215, 1490555), (275, 1165343), (451, 710575), (473, 677525), (661, 484825), (1025, 312653), (1075, 298111), (1763, 181775), (2255, 142115), (2365, 135505), (3305, 96965), (7271, 44075), (8815, 36355), (11275, 28423), (11825, 27101), (16525, 19393)]