2489749980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1121509}}^1$

素因数の和:1121558

約数の個数: 48

約数和(自身を含む): 7159719840

約数和(自身を除く): 4669969860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 370, 444, 555, 740, 1110, 2220, 1121509, 2243018, 3364527, 4486036, 5607545, 6729054, 11215090, 13458108, 16822635, 22430180, 33645270, 41495833, 67290540, 82991666, 124487499, 165983332, 207479165, 248974998, 414958330, 497949996, 622437495, 829916660, 1244874990, 2489749980]

約数ペア:

[(1, 2489749980), (2, 1244874990), (3, 829916660), (4, 622437495), (5, 497949996), (6, 414958330), (10, 248974998), (12, 207479165), (15, 165983332), (20, 124487499), (30, 82991666), (37, 67290540), (60, 41495833), (74, 33645270), (111, 22430180), (148, 16822635), (185, 13458108), (222, 11215090), (370, 6729054), (444, 5607545), (555, 4486036), (740, 3364527), (1110, 2243018), (2220, 1121509)]