56978000

素因数分解:

$2^4\times 5^3\times {\mathrm{31}}^1\times {\mathrm{919}}^1$

素因数の和:973

約数の個数: 80

約数和(自身を含む): 142371840

約数和(自身を除く): 85393840

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, 775, 919, 1000, 1240, 1550, 1838, 2000, 2480, 3100, 3676, 3875, 4595, 6200, 7352, 7750, 9190, 12400, 14704, 15500, 18380, 22975, 28489, 31000, 36760, 45950, 56978, 62000, 73520, 91900, 113956, 114875, 142445, 183800, 227912, 229750, 284890, 367600, 455824, 459500, 569780, 712225, 919000, 1139560, 1424450, 1838000, 2279120, 2848900, 3561125, 5697800, 7122250, 11395600, 14244500, 28489000, 56978000]

約数ペア:

[(1, 56978000), (2, 28489000), (4, 14244500), (5, 11395600), (8, 7122250), (10, 5697800), (16, 3561125), (20, 2848900), (25, 2279120), (31, 1838000), (40, 1424450), (50, 1139560), (62, 919000), (80, 712225), (100, 569780), (124, 459500), (125, 455824), (155, 367600), (200, 284890), (248, 229750), (250, 227912), (310, 183800), (400, 142445), (496, 114875), (500, 113956), (620, 91900), (775, 73520), (919, 62000), (1000, 56978), (1240, 45950), (1550, 36760), (1838, 31000), (2000, 28489), (2480, 22975), (3100, 18380), (3676, 15500), (3875, 14704), (4595, 12400), (6200, 9190), (7352, 7750)]