408237500

素因数分解:

$2^2\times 5^5\times {\mathrm{11}}^1\times {\mathrm{2969}}^1$

素因数の和:3009

約数の個数: 72

約数和(自身を含む): 974468880

約数和(自身を除く): 566231380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 125, 220, 250, 275, 500, 550, 625, 1100, 1250, 1375, 2500, 2750, 2969, 3125, 5500, 5938, 6250, 6875, 11876, 12500, 13750, 14845, 27500, 29690, 32659, 34375, 59380, 65318, 68750, 74225, 130636, 137500, 148450, 163295, 296900, 326590, 371125, 653180, 742250, 816475, 1484500, 1632950, 1855625, 3265900, 3711250, 4082375, 7422500, 8164750, 9278125, 16329500, 18556250, 20411875, 37112500, 40823750, 81647500, 102059375, 204118750, 408237500]

約数ペア:

[(1, 408237500), (2, 204118750), (4, 102059375), (5, 81647500), (10, 40823750), (11, 37112500), (20, 20411875), (22, 18556250), (25, 16329500), (44, 9278125), (50, 8164750), (55, 7422500), (100, 4082375), (110, 3711250), (125, 3265900), (220, 1855625), (250, 1632950), (275, 1484500), (500, 816475), (550, 742250), (625, 653180), (1100, 371125), (1250, 326590), (1375, 296900), (2500, 163295), (2750, 148450), (2969, 137500), (3125, 130636), (5500, 74225), (5938, 68750), (6250, 65318), (6875, 59380), (11876, 34375), (12500, 32659), (13750, 29690), (14845, 27500)]