1928646400

素因数分解:

$2^8\times 5^2\times {\mathrm{31}}^1\times {\mathrm{9721}}^1$

素因数の和:9778

約数の個数: 108

約数和(自身を含む): 4928198464

約数和(自身を除く): 2999552064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 128, 155, 160, 200, 248, 256, 310, 320, 400, 496, 620, 640, 775, 800, 992, 1240, 1280, 1550, 1600, 1984, 2480, 3100, 3200, 3968, 4960, 6200, 6400, 7936, 9721, 9920, 12400, 19442, 19840, 24800, 38884, 39680, 48605, 49600, 77768, 97210, 99200, 155536, 194420, 198400, 243025, 301351, 311072, 388840, 486050, 602702, 622144, 777680, 972100, 1205404, 1244288, 1506755, 1555360, 1944200, 2410808, 2488576, 3013510, 3110720, 3888400, 4821616, 6027020, 6221440, 7533775, 7776800, 9643232, 12054040, 12442880, 15067550, 15553600, 19286464, 24108080, 30135100, 31107200, 38572928, 48216160, 60270200, 62214400, 77145856, 96432320, 120540400, 192864640, 241080800, 385729280, 482161600, 964323200, 1928646400]

約数ペア:

[(1, 1928646400), (2, 964323200), (4, 482161600), (5, 385729280), (8, 241080800), (10, 192864640), (16, 120540400), (20, 96432320), (25, 77145856), (31, 62214400), (32, 60270200), (40, 48216160), (50, 38572928), (62, 31107200), (64, 30135100), (80, 24108080), (100, 19286464), (124, 15553600), (128, 15067550), (155, 12442880), (160, 12054040), (200, 9643232), (248, 7776800), (256, 7533775), (310, 6221440), (320, 6027020), (400, 4821616), (496, 3888400), (620, 3110720), (640, 3013510), (775, 2488576), (800, 2410808), (992, 1944200), (1240, 1555360), (1280, 1506755), (1550, 1244288), (1600, 1205404), (1984, 972100), (2480, 777680), (3100, 622144), (3200, 602702), (3968, 486050), (4960, 388840), (6200, 311072), (6400, 301351), (7936, 243025), (9721, 198400), (9920, 194420), (12400, 155536), (19442, 99200), (19840, 97210), (24800, 77768), (38884, 49600), (39680, 48605)]