1540540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1$

素因数の和:246

約数の個数: 48

約数和(自身を含む): 3592512

約数和(自身を除く): 2051972

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 115, 170, 197, 230, 340, 391, 394, 460, 782, 788, 985, 1564, 1955, 1970, 3349, 3910, 3940, 4531, 6698, 7820, 9062, 13396, 16745, 18124, 22655, 33490, 45310, 66980, 77027, 90620, 154054, 308108, 385135, 770270, 1540540]

約数ペア:

[(1, 1540540), (2, 770270), (4, 385135), (5, 308108), (10, 154054), (17, 90620), (20, 77027), (23, 66980), (34, 45310), (46, 33490), (68, 22655), (85, 18124), (92, 16745), (115, 13396), (170, 9062), (197, 7820), (230, 6698), (340, 4531), (391, 3940), (394, 3910), (460, 3349), (782, 1970), (788, 1955), (985, 1564)]