28986781840

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1\times {\mathrm{24077}}^1$

素因数の和:24340

約数の個数: 80

約数和(自身を含む): 68521172400

約数和(自身を除く): 39534390560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 149, 202, 298, 404, 505, 596, 745, 808, 1010, 1192, 1490, 1616, 2020, 2384, 2980, 4040, 5960, 8080, 11920, 15049, 24077, 30098, 48154, 60196, 75245, 96308, 120385, 120392, 150490, 192616, 240770, 240784, 300980, 385232, 481540, 601960, 963080, 1203920, 1926160, 2431777, 3587473, 4863554, 7174946, 9727108, 12158885, 14349892, 17937365, 19454216, 24317770, 28699784, 35874730, 38908432, 48635540, 57399568, 71749460, 97271080, 143498920, 194542160, 286997840, 362334773, 724669546, 1449339092, 1811673865, 2898678184, 3623347730, 5797356368, 7246695460, 14493390920, 28986781840]

約数ペア:

[(1, 28986781840), (2, 14493390920), (4, 7246695460), (5, 5797356368), (8, 3623347730), (10, 2898678184), (16, 1811673865), (20, 1449339092), (40, 724669546), (80, 362334773), (101, 286997840), (149, 194542160), (202, 143498920), (298, 97271080), (404, 71749460), (505, 57399568), (596, 48635540), (745, 38908432), (808, 35874730), (1010, 28699784), (1192, 24317770), (1490, 19454216), (1616, 17937365), (2020, 14349892), (2384, 12158885), (2980, 9727108), (4040, 7174946), (5960, 4863554), (8080, 3587473), (11920, 2431777), (15049, 1926160), (24077, 1203920), (30098, 963080), (48154, 601960), (60196, 481540), (75245, 385232), (96308, 300980), (120385, 240784), (120392, 240770), (150490, 192616)]