1029870380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{668747}}^1$

素因数の和:668774

約数の個数: 48

約数和(自身を含む): 2696391936

約数和(自身を除く): 1666521556

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 668747, 1337494, 2674988, 3343735, 4681229, 6687470, 7356217, 9362458, 13374940, 14712434, 18724916, 23406145, 29424868, 36781085, 46812290, 51493519, 73562170, 93624580, 102987038, 147124340, 205974076, 257467595, 514935190, 1029870380]

約数ペア:

[(1, 1029870380), (2, 514935190), (4, 257467595), (5, 205974076), (7, 147124340), (10, 102987038), (11, 93624580), (14, 73562170), (20, 51493519), (22, 46812290), (28, 36781085), (35, 29424868), (44, 23406145), (55, 18724916), (70, 14712434), (77, 13374940), (110, 9362458), (140, 7356217), (154, 6687470), (220, 4681229), (308, 3343735), (385, 2674988), (770, 1337494), (1540, 668747)]