127989100

素因数分解:

$2^2\times 5^2\times {\mathrm{191}}^1\times {\mathrm{6701}}^1$

素因数の和:6906

約数の個数: 36

約数和(自身を含む): 279232128

約数和(自身を除く): 151243028

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 191, 382, 764, 955, 1910, 3820, 4775, 6701, 9550, 13402, 19100, 26804, 33505, 67010, 134020, 167525, 335050, 670100, 1279891, 2559782, 5119564, 6399455, 12798910, 25597820, 31997275, 63994550, 127989100]

約数ペア:

[(1, 127989100), (2, 63994550), (4, 31997275), (5, 25597820), (10, 12798910), (20, 6399455), (25, 5119564), (50, 2559782), (100, 1279891), (191, 670100), (382, 335050), (764, 167525), (955, 134020), (1910, 67010), (3820, 33505), (4775, 26804), (6701, 19100), (9550, 13402)]