28360660

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{307}}^1$

素因数の和:496

約数の個数: 48

約数和(自身を含む): 62092800

約数和(自身を除く): 33732140

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 149, 155, 298, 307, 310, 596, 614, 620, 745, 1228, 1490, 1535, 2980, 3070, 4619, 6140, 9238, 9517, 18476, 19034, 23095, 38068, 45743, 46190, 47585, 91486, 92380, 95170, 182972, 190340, 228715, 457430, 914860, 1418033, 2836066, 5672132, 7090165, 14180330, 28360660]

約数ペア:

[(1, 28360660), (2, 14180330), (4, 7090165), (5, 5672132), (10, 2836066), (20, 1418033), (31, 914860), (62, 457430), (124, 228715), (149, 190340), (155, 182972), (298, 95170), (307, 92380), (310, 91486), (596, 47585), (614, 46190), (620, 45743), (745, 38068), (1228, 23095), (1490, 19034), (1535, 18476), (2980, 9517), (3070, 9238), (4619, 6140)]