197420940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1009}}^1\times {\mathrm{1087}}^1$

素因数の和:2111

約数の個数: 72

約数和(自身を含む): 599988480

約数和(自身を除く): 402567540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1009, 1087, 2018, 2174, 3027, 3261, 4036, 4348, 5045, 5435, 6054, 6522, 9081, 9783, 10090, 10870, 12108, 13044, 15135, 16305, 18162, 19566, 20180, 21740, 30270, 32610, 36324, 39132, 45405, 48915, 60540, 65220, 90810, 97830, 181620, 195660, 1096783, 2193566, 3290349, 4387132, 5483915, 6580698, 9871047, 10967830, 13161396, 16451745, 19742094, 21935660, 32903490, 39484188, 49355235, 65806980, 98710470, 197420940]

約数ペア:

[(1, 197420940), (2, 98710470), (3, 65806980), (4, 49355235), (5, 39484188), (6, 32903490), (9, 21935660), (10, 19742094), (12, 16451745), (15, 13161396), (18, 10967830), (20, 9871047), (30, 6580698), (36, 5483915), (45, 4387132), (60, 3290349), (90, 2193566), (180, 1096783), (1009, 195660), (1087, 181620), (2018, 97830), (2174, 90810), (3027, 65220), (3261, 60540), (4036, 48915), (4348, 45405), (5045, 39132), (5435, 36324), (6054, 32610), (6522, 30270), (9081, 21740), (9783, 20180), (10090, 19566), (10870, 18162), (12108, 16305), (13044, 15135)]