489651200

素因数分解:

$2^{10}\times 5^2\times {\mathrm{31}}^1\times {\mathrm{617}}^1$

素因数の和:678

約数の個数: 132

約数和(自身を含む): 1254925632

約数和(自身を除く): 765274432

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, 512, 617, 620, 640, 775, 800, 992, 1024, 1234, 1240, 1280, 1550, 1600, 1984, 2468, 2480, 2560, 3085, 3100, 3200, 3968, 4936, 4960, 5120, 6170, 6200, 6400, 7936, 9872, 9920, 12340, 12400, 12800, 15425, 15872, 19127, 19744, 19840, 24680, 24800, 25600, 30850, 31744, 38254, 39488, 39680, 49360, 49600, 61700, 76508, 78976, 79360, 95635, 98720, 99200, 123400, 153016, 157952, 158720, 191270, 197440, 198400, 246800, 306032, 315904, 382540, 394880, 396800, 478175, 493600, 612064, 631808, 765080, 789760, 793600, 956350, 987200, 1224128, 1530160, 1579520, 1912700, 1974400, 2448256, 3060320, 3159040, 3825400, 3948800, 4896512, 6120640, 7650800, 7897600, 9793024, 12241280, 15301600, 15795200, 19586048, 24482560, 30603200, 48965120, 61206400, 97930240, 122412800, 244825600, 489651200]

約数ペア:

[(1, 489651200), (2, 244825600), (4, 122412800), (5, 97930240), (8, 61206400), (10, 48965120), (16, 30603200), (20, 24482560), (25, 19586048), (31, 15795200), (32, 15301600), (40, 12241280), (50, 9793024), (62, 7897600), (64, 7650800), (80, 6120640), (100, 4896512), (124, 3948800), (128, 3825400), (155, 3159040), (160, 3060320), (200, 2448256), (248, 1974400), (256, 1912700), (310, 1579520), (320, 1530160), (400, 1224128), (496, 987200), (512, 956350), (617, 793600), (620, 789760), (640, 765080), (775, 631808), (800, 612064), (992, 493600), (1024, 478175), (1234, 396800), (1240, 394880), (1280, 382540), (1550, 315904), (1600, 306032), (1984, 246800), (2468, 198400), (2480, 197440), (2560, 191270), (3085, 158720), (3100, 157952), (3200, 153016), (3968, 123400), (4936, 99200), (4960, 98720), (5120, 95635), (6170, 79360), (6200, 78976), (6400, 76508), (7936, 61700), (9872, 49600), (9920, 49360), (12340, 39680), (12400, 39488), (12800, 38254), (15425, 31744), (15872, 30850), (19127, 25600), (19744, 24800), (19840, 24680)]