268536740

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1\times {\mathrm{929}}^1$

素因数の和:1184

約数の個数: 48

約数和(自身を含む): 574182000

約数和(自身を除く): 305645260

約数列:

[1, 2, 4, 5, 10, 20, 97, 149, 194, 298, 388, 485, 596, 745, 929, 970, 1490, 1858, 1940, 2980, 3716, 4645, 9290, 14453, 18580, 28906, 57812, 72265, 90113, 138421, 144530, 180226, 276842, 289060, 360452, 450565, 553684, 692105, 901130, 1384210, 1802260, 2768420, 13426837, 26853674, 53707348, 67134185, 134268370, 268536740]

約数ペア:

[(1, 268536740), (2, 134268370), (4, 67134185), (5, 53707348), (10, 26853674), (20, 13426837), (97, 2768420), (149, 1802260), (194, 1384210), (298, 901130), (388, 692105), (485, 553684), (596, 450565), (745, 360452), (929, 289060), (970, 276842), (1490, 180226), (1858, 144530), (1940, 138421), (2980, 90113), (3716, 72265), (4645, 57812), (9290, 28906), (14453, 18580)]