389291320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{8117}}^1$

素因数の和:8248

約数の個数: 64

約数和(自身を含む): 964418400

約数和(自身を除く): 575127080

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 109, 110, 218, 220, 436, 440, 545, 872, 1090, 1199, 2180, 2398, 4360, 4796, 5995, 8117, 9592, 11990, 16234, 23980, 32468, 40585, 47960, 64936, 81170, 89287, 162340, 178574, 324680, 357148, 446435, 714296, 884753, 892870, 1769506, 1785740, 3539012, 3571480, 4423765, 7078024, 8847530, 9732283, 17695060, 19464566, 35390120, 38929132, 48661415, 77858264, 97322830, 194645660, 389291320]

約数ペア:

[(1, 389291320), (2, 194645660), (4, 97322830), (5, 77858264), (8, 48661415), (10, 38929132), (11, 35390120), (20, 19464566), (22, 17695060), (40, 9732283), (44, 8847530), (55, 7078024), (88, 4423765), (109, 3571480), (110, 3539012), (218, 1785740), (220, 1769506), (436, 892870), (440, 884753), (545, 714296), (872, 446435), (1090, 357148), (1199, 324680), (2180, 178574), (2398, 162340), (4360, 89287), (4796, 81170), (5995, 64936), (8117, 47960), (9592, 40585), (11990, 32468), (16234, 23980)]