205393610

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{3989}}^1$

素因数の和:4286

約数の個数: 32

約数和(自身を含む): 390700800

約数和(自身を除く): 185307190

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 271, 542, 1355, 2710, 3989, 5149, 7978, 10298, 19945, 25745, 39890, 51490, 75791, 151582, 378955, 757910, 1081019, 2162038, 5405095, 10810190, 20539361, 41078722, 102696805, 205393610]

約数ペア:

[(1, 205393610), (2, 102696805), (5, 41078722), (10, 20539361), (19, 10810190), (38, 5405095), (95, 2162038), (190, 1081019), (271, 757910), (542, 378955), (1355, 151582), (2710, 75791), (3989, 51490), (5149, 39890), (7978, 25745), (10298, 19945)]