157215850

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{1451}}^1$

素因数の和:1671

約数の個数: 48

約数和(自身を含む): 320845536

約数和(自身を除く): 163629686

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 197, 275, 394, 550, 985, 1451, 1970, 2167, 2902, 4334, 4925, 7255, 9850, 10835, 14510, 15961, 21670, 31922, 36275, 54175, 72550, 79805, 108350, 159610, 285847, 399025, 571694, 798050, 1429235, 2858470, 3144317, 6288634, 7146175, 14292350, 15721585, 31443170, 78607925, 157215850]

約数ペア:

[(1, 157215850), (2, 78607925), (5, 31443170), (10, 15721585), (11, 14292350), (22, 7146175), (25, 6288634), (50, 3144317), (55, 2858470), (110, 1429235), (197, 798050), (275, 571694), (394, 399025), (550, 285847), (985, 159610), (1451, 108350), (1970, 79805), (2167, 72550), (2902, 54175), (4334, 36275), (4925, 31922), (7255, 21670), (9850, 15961), (10835, 14510)]