5215540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{157}}^1$

素因数の和:328

約数の個数: 48

約数和(自身を含む): 12104064

約数和(自身を除く): 6888524

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 151, 157, 220, 302, 314, 604, 628, 755, 785, 1510, 1570, 1661, 1727, 3020, 3140, 3322, 3454, 6644, 6908, 8305, 8635, 16610, 17270, 23707, 33220, 34540, 47414, 94828, 118535, 237070, 260777, 474140, 521554, 1043108, 1303885, 2607770, 5215540]

約数ペア:

[(1, 5215540), (2, 2607770), (4, 1303885), (5, 1043108), (10, 521554), (11, 474140), (20, 260777), (22, 237070), (44, 118535), (55, 94828), (110, 47414), (151, 34540), (157, 33220), (220, 23707), (302, 17270), (314, 16610), (604, 8635), (628, 8305), (755, 6908), (785, 6644), (1510, 3454), (1570, 3322), (1661, 3140), (1727, 3020)]