250480000

素因数分解:

$2^7\times 5^4\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:166

約数の個数: 160

約数和(自身を含む): 650041920

約数和(自身を除く): 399561920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 101, 124, 125, 128, 155, 160, 200, 202, 248, 250, 310, 320, 400, 404, 496, 500, 505, 620, 625, 640, 775, 800, 808, 992, 1000, 1010, 1240, 1250, 1550, 1600, 1616, 1984, 2000, 2020, 2480, 2500, 2525, 3100, 3131, 3200, 3232, 3875, 3968, 4000, 4040, 4960, 5000, 5050, 6200, 6262, 6464, 7750, 8000, 8080, 9920, 10000, 10100, 12400, 12524, 12625, 12928, 15500, 15655, 16000, 16160, 19375, 19840, 20000, 20200, 24800, 25048, 25250, 31000, 31310, 32320, 38750, 40000, 40400, 49600, 50096, 50500, 62000, 62620, 63125, 64640, 77500, 78275, 80000, 80800, 99200, 100192, 101000, 124000, 125240, 126250, 155000, 156550, 161600, 200384, 202000, 248000, 250480, 252500, 310000, 313100, 323200, 391375, 400768, 404000, 496000, 500960, 505000, 620000, 626200, 782750, 808000, 1001920, 1010000, 1240000, 1252400, 1565500, 1616000, 1956875, 2003840, 2020000, 2480000, 2504800, 3131000, 3913750, 4040000, 5009600, 6262000, 7827500, 8080000, 10019200, 12524000, 15655000, 25048000, 31310000, 50096000, 62620000, 125240000, 250480000]

約数ペア:

[(1, 250480000), (2, 125240000), (4, 62620000), (5, 50096000), (8, 31310000), (10, 25048000), (16, 15655000), (20, 12524000), (25, 10019200), (31, 8080000), (32, 7827500), (40, 6262000), (50, 5009600), (62, 4040000), (64, 3913750), (80, 3131000), (100, 2504800), (101, 2480000), (124, 2020000), (125, 2003840), (128, 1956875), (155, 1616000), (160, 1565500), (200, 1252400), (202, 1240000), (248, 1010000), (250, 1001920), (310, 808000), (320, 782750), (400, 626200), (404, 620000), (496, 505000), (500, 500960), (505, 496000), (620, 404000), (625, 400768), (640, 391375), (775, 323200), (800, 313100), (808, 310000), (992, 252500), (1000, 250480), (1010, 248000), (1240, 202000), (1250, 200384), (1550, 161600), (1600, 156550), (1616, 155000), (1984, 126250), (2000, 125240), (2020, 124000), (2480, 101000), (2500, 100192), (2525, 99200), (3100, 80800), (3131, 80000), (3200, 78275), (3232, 77500), (3875, 64640), (3968, 63125), (4000, 62620), (4040, 62000), (4960, 50500), (5000, 50096), (5050, 49600), (6200, 40400), (6262, 40000), (6464, 38750), (7750, 32320), (8000, 31310), (8080, 31000), (9920, 25250), (10000, 25048), (10100, 24800), (12400, 20200), (12524, 20000), (12625, 19840), (12928, 19375), (15500, 16160), (15655, 16000)]