11997018340

素因数分解:

$2^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{571}}^1\times {\mathrm{2393}}^1$

素因数の和:3412

約数の個数: 48

約数和(自身を含む): 25305920640

約数和(自身を除く): 13308902300

約数列:

[1, 2, 4, 5, 10, 20, 439, 571, 878, 1142, 1756, 2195, 2284, 2393, 2855, 4390, 4786, 5710, 8780, 9572, 11420, 11965, 23930, 47860, 250669, 501338, 1002676, 1050527, 1253345, 1366403, 2101054, 2506690, 2732806, 4202108, 5013380, 5252635, 5465612, 6832015, 10505270, 13664030, 21010540, 27328060, 599850917, 1199701834, 2399403668, 2999254585, 5998509170, 11997018340]

約数ペア:

[(1, 11997018340), (2, 5998509170), (4, 2999254585), (5, 2399403668), (10, 1199701834), (20, 599850917), (439, 27328060), (571, 21010540), (878, 13664030), (1142, 10505270), (1756, 6832015), (2195, 5465612), (2284, 5252635), (2393, 5013380), (2855, 4202108), (4390, 2732806), (4786, 2506690), (5710, 2101054), (8780, 1366403), (9572, 1253345), (11420, 1050527), (11965, 1002676), (23930, 501338), (47860, 250669)]