30861380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{929}}^1$

素因数の和:1100

約数の個数: 48

約数和(自身を含む): 71245440

約数和(自身を除く): 40384060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 151, 220, 302, 604, 755, 929, 1510, 1661, 1858, 3020, 3322, 3716, 4645, 6644, 8305, 9290, 10219, 16610, 18580, 20438, 33220, 40876, 51095, 102190, 140279, 204380, 280558, 561116, 701395, 1402790, 1543069, 2805580, 3086138, 6172276, 7715345, 15430690, 30861380]

約数ペア:

[(1, 30861380), (2, 15430690), (4, 7715345), (5, 6172276), (10, 3086138), (11, 2805580), (20, 1543069), (22, 1402790), (44, 701395), (55, 561116), (110, 280558), (151, 204380), (220, 140279), (302, 102190), (604, 51095), (755, 40876), (929, 33220), (1510, 20438), (1661, 18580), (1858, 16610), (3020, 10219), (3322, 9290), (3716, 8305), (4645, 6644)]