409349375

素因数分解:

$5^4\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{653}}^1$

素因数の和:749

約数の個数: 40

約数和(自身を含む): 551635920

約数和(自身を除く): 142286545

約数列:

[1, 5, 17, 25, 59, 85, 125, 295, 425, 625, 653, 1003, 1475, 2125, 3265, 5015, 7375, 10625, 11101, 16325, 25075, 36875, 38527, 55505, 81625, 125375, 192635, 277525, 408125, 626875, 654959, 963175, 1387625, 3274795, 4815875, 6938125, 16373975, 24079375, 81869875, 409349375]

約数ペア:

[(1, 409349375), (5, 81869875), (17, 24079375), (25, 16373975), (59, 6938125), (85, 4815875), (125, 3274795), (295, 1387625), (425, 963175), (625, 654959), (653, 626875), (1003, 408125), (1475, 277525), (2125, 192635), (3265, 125375), (5015, 81625), (7375, 55505), (10625, 38527), (11101, 36875), (16325, 25075)]