4454000

素因数分解:

$2^4\times 5^3\times {\mathrm{17}}^1\times {\mathrm{131}}^1$

素因数の和:171

約数の個数: 80

約数和(自身を含む): 11490336

約数和(自身を除く): 7036336

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 100, 125, 131, 136, 170, 200, 250, 262, 272, 340, 400, 425, 500, 524, 655, 680, 850, 1000, 1048, 1310, 1360, 1700, 2000, 2096, 2125, 2227, 2620, 3275, 3400, 4250, 4454, 5240, 6550, 6800, 8500, 8908, 10480, 11135, 13100, 16375, 17000, 17816, 22270, 26200, 32750, 34000, 35632, 44540, 52400, 55675, 65500, 89080, 111350, 131000, 178160, 222700, 262000, 278375, 445400, 556750, 890800, 1113500, 2227000, 4454000]

約数ペア:

[(1, 4454000), (2, 2227000), (4, 1113500), (5, 890800), (8, 556750), (10, 445400), (16, 278375), (17, 262000), (20, 222700), (25, 178160), (34, 131000), (40, 111350), (50, 89080), (68, 65500), (80, 55675), (85, 52400), (100, 44540), (125, 35632), (131, 34000), (136, 32750), (170, 26200), (200, 22270), (250, 17816), (262, 17000), (272, 16375), (340, 13100), (400, 11135), (425, 10480), (500, 8908), (524, 8500), (655, 6800), (680, 6550), (850, 5240), (1000, 4454), (1048, 4250), (1310, 3400), (1360, 3275), (1700, 2620), (2000, 2227), (2096, 2125)]