131034100

素因数分解:

$2^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{21481}}^1$

素因数の和:21556

約数の個数: 36

約数和(自身を含む): 289018828

約数和(自身を除く): 157984728

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 244, 305, 610, 1220, 1525, 3050, 6100, 21481, 42962, 85924, 107405, 214810, 429620, 537025, 1074050, 1310341, 2148100, 2620682, 5241364, 6551705, 13103410, 26206820, 32758525, 65517050, 131034100]

約数ペア:

[(1, 131034100), (2, 65517050), (4, 32758525), (5, 26206820), (10, 13103410), (20, 6551705), (25, 5241364), (50, 2620682), (61, 2148100), (100, 1310341), (122, 1074050), (244, 537025), (305, 429620), (610, 214810), (1220, 107405), (1525, 85924), (3050, 42962), (6100, 21481)]