112678420

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{1087}}^1$

素因数の和:1240

約数の個数: 48

約数和(自身を含む): 243468288

約数和(自身を除く): 130789868

約数列:

[1, 2, 4, 5, 10, 20, 71, 73, 142, 146, 284, 292, 355, 365, 710, 730, 1087, 1420, 1460, 2174, 4348, 5183, 5435, 10366, 10870, 20732, 21740, 25915, 51830, 77177, 79351, 103660, 154354, 158702, 308708, 317404, 385885, 396755, 771770, 793510, 1543540, 1587020, 5633921, 11267842, 22535684, 28169605, 56339210, 112678420]

約数ペア:

[(1, 112678420), (2, 56339210), (4, 28169605), (5, 22535684), (10, 11267842), (20, 5633921), (71, 1587020), (73, 1543540), (142, 793510), (146, 771770), (284, 396755), (292, 385885), (355, 317404), (365, 308708), (710, 158702), (730, 154354), (1087, 103660), (1420, 79351), (1460, 77177), (2174, 51830), (4348, 25915), (5183, 21740), (5435, 20732), (10366, 10870)]