339900430

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{15443}}^1$

素因数の和:15552

約数の個数: 32

約数和(自身を含む): 640493568

約数和(自身を除く): 300593138

約数列:

[1, 2, 5, 10, 31, 62, 71, 142, 155, 310, 355, 710, 2201, 4402, 11005, 15443, 22010, 30886, 77215, 154430, 478733, 957466, 1096453, 2192906, 2393665, 4787330, 5482265, 10964530, 33990043, 67980086, 169950215, 339900430]

約数ペア:

[(1, 339900430), (2, 169950215), (5, 67980086), (10, 33990043), (31, 10964530), (62, 5482265), (71, 4787330), (142, 2393665), (155, 2192906), (310, 1096453), (355, 957466), (710, 478733), (2201, 154430), (4402, 77215), (11005, 30886), (15443, 22010)]