42789020

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{1091}}^1$

素因数の和:1190

約数の個数: 48

約数和(自身を含む): 94112928

約数和(自身を除く): 51323908

約数列:

[1, 2, 4, 5, 10, 20, 37, 53, 74, 106, 148, 185, 212, 265, 370, 530, 740, 1060, 1091, 1961, 2182, 3922, 4364, 5455, 7844, 9805, 10910, 19610, 21820, 39220, 40367, 57823, 80734, 115646, 161468, 201835, 231292, 289115, 403670, 578230, 807340, 1156460, 2139451, 4278902, 8557804, 10697255, 21394510, 42789020]

約数ペア:

[(1, 42789020), (2, 21394510), (4, 10697255), (5, 8557804), (10, 4278902), (20, 2139451), (37, 1156460), (53, 807340), (74, 578230), (106, 403670), (148, 289115), (185, 231292), (212, 201835), (265, 161468), (370, 115646), (530, 80734), (740, 57823), (1060, 40367), (1091, 39220), (1961, 21820), (2182, 19610), (3922, 10910), (4364, 9805), (5455, 7844)]