251410000

素因数分解:

$2^4\times 5^4\times {\mathrm{31}}^1\times {\mathrm{811}}^1$

素因数の和:870

約数の個数: 100

約数和(自身を含む): 629098624

約数和(自身を除く): 377688624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 125, 155, 200, 248, 250, 310, 400, 496, 500, 620, 625, 775, 811, 1000, 1240, 1250, 1550, 1622, 2000, 2480, 2500, 3100, 3244, 3875, 4055, 5000, 6200, 6488, 7750, 8110, 10000, 12400, 12976, 15500, 16220, 19375, 20275, 25141, 31000, 32440, 38750, 40550, 50282, 62000, 64880, 77500, 81100, 100564, 101375, 125705, 155000, 162200, 201128, 202750, 251410, 310000, 324400, 402256, 405500, 502820, 506875, 628525, 811000, 1005640, 1013750, 1257050, 1622000, 2011280, 2027500, 2514100, 3142625, 4055000, 5028200, 6285250, 8110000, 10056400, 12570500, 15713125, 25141000, 31426250, 50282000, 62852500, 125705000, 251410000]

約数ペア:

[(1, 251410000), (2, 125705000), (4, 62852500), (5, 50282000), (8, 31426250), (10, 25141000), (16, 15713125), (20, 12570500), (25, 10056400), (31, 8110000), (40, 6285250), (50, 5028200), (62, 4055000), (80, 3142625), (100, 2514100), (124, 2027500), (125, 2011280), (155, 1622000), (200, 1257050), (248, 1013750), (250, 1005640), (310, 811000), (400, 628525), (496, 506875), (500, 502820), (620, 405500), (625, 402256), (775, 324400), (811, 310000), (1000, 251410), (1240, 202750), (1250, 201128), (1550, 162200), (1622, 155000), (2000, 125705), (2480, 101375), (2500, 100564), (3100, 81100), (3244, 77500), (3875, 64880), (4055, 62000), (5000, 50282), (6200, 40550), (6488, 38750), (7750, 32440), (8110, 31000), (10000, 25141), (12400, 20275), (12976, 19375), (15500, 16220)]