28210002900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{863}}^1\times {\mathrm{108961}}^1$

素因数の和:109841

約数の個数: 72

約数和(自身を含む): 81716269824

約数和(自身を除く): 53506266924

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 300, 863, 1726, 2589, 3452, 4315, 5178, 8630, 10356, 12945, 17260, 21575, 25890, 43150, 51780, 64725, 86300, 108961, 129450, 217922, 258900, 326883, 435844, 544805, 653766, 1089610, 1307532, 1634415, 2179220, 2724025, 3268830, 5448050, 6537660, 8172075, 10896100, 16344150, 32688300, 94033343, 188066686, 282100029, 376133372, 470166715, 564200058, 940333430, 1128400116, 1410500145, 1880666860, 2350833575, 2821000290, 4701667150, 5642000580, 7052500725, 9403334300, 14105001450, 28210002900]

約数ペア:

[(1, 28210002900), (2, 14105001450), (3, 9403334300), (4, 7052500725), (5, 5642000580), (6, 4701667150), (10, 2821000290), (12, 2350833575), (15, 1880666860), (20, 1410500145), (25, 1128400116), (30, 940333430), (50, 564200058), (60, 470166715), (75, 376133372), (100, 282100029), (150, 188066686), (300, 94033343), (863, 32688300), (1726, 16344150), (2589, 10896100), (3452, 8172075), (4315, 6537660), (5178, 5448050), (8630, 3268830), (10356, 2724025), (12945, 2179220), (17260, 1634415), (21575, 1307532), (25890, 1089610), (43150, 653766), (51780, 544805), (64725, 435844), (86300, 326883), (108961, 258900), (129450, 217922)]