447929480

素因数分解:

$2^3\times 5^1\times {\mathrm{491}}^1\times {\mathrm{22807}}^1$

素因数の和:23309

約数の個数: 32

約数和(自身を含む): 1009938240

約数和(自身を除く): 562008760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 491, 982, 1964, 2455, 3928, 4910, 9820, 19640, 22807, 45614, 91228, 114035, 182456, 228070, 456140, 912280, 11198237, 22396474, 44792948, 55991185, 89585896, 111982370, 223964740, 447929480]

約数ペア:

[(1, 447929480), (2, 223964740), (4, 111982370), (5, 89585896), (8, 55991185), (10, 44792948), (20, 22396474), (40, 11198237), (491, 912280), (982, 456140), (1964, 228070), (2455, 182456), (3928, 114035), (4910, 91228), (9820, 45614), (19640, 22807)]