201927500

素因数分解:

$2^2\times 5^4\times {\mathrm{37}}^2\times {\mathrm{59}}^1$

素因数の和:157

約数の個数: 90

約数和(自身を含む): 461524140

約数和(自身を除く): 259596640

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 50, 59, 74, 100, 118, 125, 148, 185, 236, 250, 295, 370, 500, 590, 625, 740, 925, 1180, 1250, 1369, 1475, 1850, 2183, 2500, 2738, 2950, 3700, 4366, 4625, 5476, 5900, 6845, 7375, 8732, 9250, 10915, 13690, 14750, 18500, 21830, 23125, 27380, 29500, 34225, 36875, 43660, 46250, 54575, 68450, 73750, 80771, 92500, 109150, 136900, 147500, 161542, 171125, 218300, 272875, 323084, 342250, 403855, 545750, 684500, 807710, 855625, 1091500, 1364375, 1615420, 1711250, 2019275, 2728750, 3422500, 4038550, 5457500, 8077100, 10096375, 20192750, 40385500, 50481875, 100963750, 201927500]

約数ペア:

[(1, 201927500), (2, 100963750), (4, 50481875), (5, 40385500), (10, 20192750), (20, 10096375), (25, 8077100), (37, 5457500), (50, 4038550), (59, 3422500), (74, 2728750), (100, 2019275), (118, 1711250), (125, 1615420), (148, 1364375), (185, 1091500), (236, 855625), (250, 807710), (295, 684500), (370, 545750), (500, 403855), (590, 342250), (625, 323084), (740, 272875), (925, 218300), (1180, 171125), (1250, 161542), (1369, 147500), (1475, 136900), (1850, 109150), (2183, 92500), (2500, 80771), (2738, 73750), (2950, 68450), (3700, 54575), (4366, 46250), (4625, 43660), (5476, 36875), (5900, 34225), (6845, 29500), (7375, 27380), (8732, 23125), (9250, 21830), (10915, 18500), (13690, 14750)]