134540620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{217001}}^1$

素因数の和:217041

約数の個数: 24

約数和(自身を含む): 291650688

約数和(自身を除く): 157110068

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 217001, 434002, 868004, 1085005, 2170010, 4340020, 6727031, 13454062, 26908124, 33635155, 67270310, 134540620]

約数ペア:

[(1, 134540620), (2, 67270310), (4, 33635155), (5, 26908124), (10, 13454062), (20, 6727031), (31, 4340020), (62, 2170010), (124, 1085005), (155, 868004), (310, 434002), (620, 217001)]