128524340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{22391}}^1$

素因数の和:22448

約数の個数: 48

約数和(自身を含む): 315995904

約数和(自身を除く): 187471564

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 5740, 22391, 44782, 89564, 111955, 156737, 223910, 313474, 447820, 626948, 783685, 918031, 1567370, 1836062, 3134740, 3672124, 4590155, 6426217, 9180310, 12852434, 18360620, 25704868, 32131085, 64262170, 128524340]

約数ペア:

[(1, 128524340), (2, 64262170), (4, 32131085), (5, 25704868), (7, 18360620), (10, 12852434), (14, 9180310), (20, 6426217), (28, 4590155), (35, 3672124), (41, 3134740), (70, 1836062), (82, 1567370), (140, 918031), (164, 783685), (205, 626948), (287, 447820), (410, 313474), (574, 223910), (820, 156737), (1148, 111955), (1435, 89564), (2870, 44782), (5740, 22391)]