2912747080

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1\times {\mathrm{3623}}^1$

素因数の和:3934

約数の個数: 64

約数和(自身を含む): 6653664000

約数和(自身を除く): 3740916920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 199, 202, 398, 404, 505, 796, 808, 995, 1010, 1592, 1990, 2020, 3623, 3980, 4040, 7246, 7960, 14492, 18115, 20099, 28984, 36230, 40198, 72460, 80396, 100495, 144920, 160792, 200990, 365923, 401980, 720977, 731846, 803960, 1441954, 1463692, 1829615, 2883908, 2927384, 3604885, 3659230, 5767816, 7209770, 7318460, 14419540, 14636920, 28839080, 72818677, 145637354, 291274708, 364093385, 582549416, 728186770, 1456373540, 2912747080]

約数ペア:

[(1, 2912747080), (2, 1456373540), (4, 728186770), (5, 582549416), (8, 364093385), (10, 291274708), (20, 145637354), (40, 72818677), (101, 28839080), (199, 14636920), (202, 14419540), (398, 7318460), (404, 7209770), (505, 5767816), (796, 3659230), (808, 3604885), (995, 2927384), (1010, 2883908), (1592, 1829615), (1990, 1463692), (2020, 1441954), (3623, 803960), (3980, 731846), (4040, 720977), (7246, 401980), (7960, 365923), (14492, 200990), (18115, 160792), (20099, 144920), (28984, 100495), (36230, 80396), (40198, 72460)]