520013725

素因数分解:

$5^2\times 7^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1$

素因数の和:228

約数の個数: 96

約数和(自身を含む): 848160000

約数和(自身を除く): 328146275

約数列:

[1, 5, 7, 11, 25, 35, 37, 49, 55, 77, 149, 175, 185, 245, 259, 275, 343, 385, 407, 539, 745, 925, 1043, 1225, 1295, 1639, 1715, 1813, 1925, 2035, 2695, 2849, 3725, 3773, 5215, 5513, 6475, 7301, 8195, 8575, 9065, 10175, 11473, 12691, 13475, 14245, 18865, 19943, 26075, 27565, 36505, 38591, 40975, 45325, 51107, 57365, 60643, 63455, 71225, 80311, 94325, 99715, 137825, 139601, 182525, 192955, 255535, 270137, 286825, 303215, 317275, 401555, 424501, 498575, 562177, 698005, 964775, 1277675, 1350685, 1516075, 1890959, 2007775, 2122505, 2810885, 2971507, 3490025, 6753425, 9454795, 10612525, 14054425, 14857535, 20800549, 47273975, 74287675, 104002745, 520013725]

約数ペア:

[(1, 520013725), (5, 104002745), (7, 74287675), (11, 47273975), (25, 20800549), (35, 14857535), (37, 14054425), (49, 10612525), (55, 9454795), (77, 6753425), (149, 3490025), (175, 2971507), (185, 2810885), (245, 2122505), (259, 2007775), (275, 1890959), (343, 1516075), (385, 1350685), (407, 1277675), (539, 964775), (745, 698005), (925, 562177), (1043, 498575), (1225, 424501), (1295, 401555), (1639, 317275), (1715, 303215), (1813, 286825), (1925, 270137), (2035, 255535), (2695, 192955), (2849, 182525), (3725, 139601), (3773, 137825), (5215, 99715), (5513, 94325), (6475, 80311), (7301, 71225), (8195, 63455), (8575, 60643), (9065, 57365), (10175, 51107), (11473, 45325), (12691, 40975), (13475, 38591), (14245, 36505), (18865, 27565), (19943, 26075)]