400257248

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{10079}}^1$

素因数の和:10179

約数の個数: 48

約数和(自身を含む): 845873280

約数和(自身を除く): 445616032

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 73, 136, 146, 272, 292, 544, 584, 1168, 1241, 2336, 2482, 4964, 9928, 10079, 19856, 20158, 39712, 40316, 80632, 161264, 171343, 322528, 342686, 685372, 735767, 1370744, 1471534, 2741488, 2943068, 5482976, 5886136, 11772272, 12508039, 23544544, 25016078, 50032156, 100064312, 200128624, 400257248]

約数ペア:

[(1, 400257248), (2, 200128624), (4, 100064312), (8, 50032156), (16, 25016078), (17, 23544544), (32, 12508039), (34, 11772272), (68, 5886136), (73, 5482976), (136, 2943068), (146, 2741488), (272, 1471534), (292, 1370744), (544, 735767), (584, 685372), (1168, 342686), (1241, 322528), (2336, 171343), (2482, 161264), (4964, 80632), (9928, 40316), (10079, 39712), (19856, 20158)]