201930280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{162847}}^1$

素因数の和:162889

約数の個数: 32

約数和(自身を含む): 469002240

約数和(自身を除く): 267071960

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 162847, 325694, 651388, 814235, 1302776, 1628470, 3256940, 5048257, 6513880, 10096514, 20193028, 25241285, 40386056, 50482570, 100965140, 201930280]

約数ペア:

[(1, 201930280), (2, 100965140), (4, 50482570), (5, 40386056), (8, 25241285), (10, 20193028), (20, 10096514), (31, 6513880), (40, 5048257), (62, 3256940), (124, 1628470), (155, 1302776), (248, 814235), (310, 651388), (620, 325694), (1240, 162847)]