307040000

素因数分解:

$2^8\times 5^4\times {\mathrm{19}}^1\times {\mathrm{101}}^1$

素因数の和:156

約数の個数: 180

約数和(自身を含む): 814145640

約数和(自身を除く): 507105640

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 64, 76, 80, 95, 100, 101, 125, 128, 152, 160, 190, 200, 202, 250, 256, 304, 320, 380, 400, 404, 475, 500, 505, 608, 625, 640, 760, 800, 808, 950, 1000, 1010, 1216, 1250, 1280, 1520, 1600, 1616, 1900, 1919, 2000, 2020, 2375, 2432, 2500, 2525, 3040, 3200, 3232, 3800, 3838, 4000, 4040, 4750, 4864, 5000, 5050, 6080, 6400, 6464, 7600, 7676, 8000, 8080, 9500, 9595, 10000, 10100, 11875, 12160, 12625, 12928, 15200, 15352, 16000, 16160, 19000, 19190, 20000, 20200, 23750, 24320, 25250, 25856, 30400, 30704, 32000, 32320, 38000, 38380, 40000, 40400, 47500, 47975, 50500, 60800, 61408, 63125, 64640, 76000, 76760, 80000, 80800, 95000, 95950, 101000, 121600, 122816, 126250, 129280, 152000, 153520, 160000, 161600, 190000, 191900, 202000, 239875, 245632, 252500, 304000, 307040, 323200, 380000, 383800, 404000, 479750, 491264, 505000, 608000, 614080, 646400, 760000, 767600, 808000, 959500, 1010000, 1199375, 1228160, 1520000, 1535200, 1616000, 1919000, 2020000, 2398750, 2456320, 3040000, 3070400, 3232000, 3838000, 4040000, 4797500, 6140800, 7676000, 8080000, 9595000, 12281600, 15352000, 16160000, 19190000, 30704000, 38380000, 61408000, 76760000, 153520000, 307040000]

約数ペア:

[(1, 307040000), (2, 153520000), (4, 76760000), (5, 61408000), (8, 38380000), (10, 30704000), (16, 19190000), (19, 16160000), (20, 15352000), (25, 12281600), (32, 9595000), (38, 8080000), (40, 7676000), (50, 6140800), (64, 4797500), (76, 4040000), (80, 3838000), (95, 3232000), (100, 3070400), (101, 3040000), (125, 2456320), (128, 2398750), (152, 2020000), (160, 1919000), (190, 1616000), (200, 1535200), (202, 1520000), (250, 1228160), (256, 1199375), (304, 1010000), (320, 959500), (380, 808000), (400, 767600), (404, 760000), (475, 646400), (500, 614080), (505, 608000), (608, 505000), (625, 491264), (640, 479750), (760, 404000), (800, 383800), (808, 380000), (950, 323200), (1000, 307040), (1010, 304000), (1216, 252500), (1250, 245632), (1280, 239875), (1520, 202000), (1600, 191900), (1616, 190000), (1900, 161600), (1919, 160000), (2000, 153520), (2020, 152000), (2375, 129280), (2432, 126250), (2500, 122816), (2525, 121600), (3040, 101000), (3200, 95950), (3232, 95000), (3800, 80800), (3838, 80000), (4000, 76760), (4040, 76000), (4750, 64640), (4864, 63125), (5000, 61408), (5050, 60800), (6080, 50500), (6400, 47975), (6464, 47500), (7600, 40400), (7676, 40000), (8000, 38380), (8080, 38000), (9500, 32320), (9595, 32000), (10000, 30704), (10100, 30400), (11875, 25856), (12160, 25250), (12625, 24320), (12928, 23750), (15200, 20200), (15352, 20000), (16000, 19190), (16160, 19000)]