30189940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{3347}}^1$

素因数の和:3408

約数の個数: 48

約数和(自身を含む): 70870464

約数和(自身を除く): 40680524

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 820, 902, 1804, 2255, 3347, 4510, 6694, 9020, 13388, 16735, 33470, 36817, 66940, 73634, 137227, 147268, 184085, 274454, 368170, 548908, 686135, 736340, 1372270, 1509497, 2744540, 3018994, 6037988, 7547485, 15094970, 30189940]

約数ペア:

[(1, 30189940), (2, 15094970), (4, 7547485), (5, 6037988), (10, 3018994), (11, 2744540), (20, 1509497), (22, 1372270), (41, 736340), (44, 686135), (55, 548908), (82, 368170), (110, 274454), (164, 184085), (205, 147268), (220, 137227), (410, 73634), (451, 66940), (820, 36817), (902, 33470), (1804, 16735), (2255, 13388), (3347, 9020), (4510, 6694)]