2910280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2347}}^1$

素因数の和:2389

約数の個数: 32

約数和(自身を含む): 6762240

約数和(自身を除く): 3851960

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 2347, 4694, 9388, 11735, 18776, 23470, 46940, 72757, 93880, 145514, 291028, 363785, 582056, 727570, 1455140, 2910280]

約数ペア:

[(1, 2910280), (2, 1455140), (4, 727570), (5, 582056), (8, 363785), (10, 291028), (20, 145514), (31, 93880), (40, 72757), (62, 46940), (124, 23470), (155, 18776), (248, 11735), (310, 9388), (620, 4694), (1240, 2347)]