2202980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{229}}^1$

素因数の和:288

約数の個数: 48

約数和(自身を含む): 5139120

約数和(自身を除く): 2936140

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 229, 260, 370, 458, 481, 740, 916, 962, 1145, 1924, 2290, 2405, 2977, 4580, 4810, 5954, 8473, 9620, 11908, 14885, 16946, 29770, 33892, 42365, 59540, 84730, 110149, 169460, 220298, 440596, 550745, 1101490, 2202980]

約数ペア:

[(1, 2202980), (2, 1101490), (4, 550745), (5, 440596), (10, 220298), (13, 169460), (20, 110149), (26, 84730), (37, 59540), (52, 42365), (65, 33892), (74, 29770), (130, 16946), (148, 14885), (185, 11908), (229, 9620), (260, 8473), (370, 5954), (458, 4810), (481, 4580), (740, 2977), (916, 2405), (962, 2290), (1145, 1924)]