1330502980

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{839}}^1\times {\mathrm{2143}}^1$

素因数の和:3028

約数の個数: 48

約数和(自身を含む): 2874332160

約数和(自身を除く): 1543829180

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 839, 1678, 2143, 3356, 4195, 4286, 8390, 8572, 10715, 16780, 21430, 31043, 42860, 62086, 79291, 124172, 155215, 158582, 310430, 317164, 396455, 620860, 792910, 1585820, 1797977, 3595954, 7191908, 8989885, 17979770, 35959540, 66525149, 133050298, 266100596, 332625745, 665251490, 1330502980]

約数ペア:

[(1, 1330502980), (2, 665251490), (4, 332625745), (5, 266100596), (10, 133050298), (20, 66525149), (37, 35959540), (74, 17979770), (148, 8989885), (185, 7191908), (370, 3595954), (740, 1797977), (839, 1585820), (1678, 792910), (2143, 620860), (3356, 396455), (4195, 317164), (4286, 310430), (8390, 158582), (8572, 155215), (10715, 124172), (16780, 79291), (21430, 62086), (31043, 42860)]