1921000

素因数分解:

$2^3\times 5^3\times {\mathrm{17}}^1\times {\mathrm{113}}^1$

素因数の和:151

約数の個数: 64

約数和(自身を含む): 4801680

約数和(自身を除く): 2880680

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 113, 125, 136, 170, 200, 226, 250, 340, 425, 452, 500, 565, 680, 850, 904, 1000, 1130, 1700, 1921, 2125, 2260, 2825, 3400, 3842, 4250, 4520, 5650, 7684, 8500, 9605, 11300, 14125, 15368, 17000, 19210, 22600, 28250, 38420, 48025, 56500, 76840, 96050, 113000, 192100, 240125, 384200, 480250, 960500, 1921000]

約数ペア:

[(1, 1921000), (2, 960500), (4, 480250), (5, 384200), (8, 240125), (10, 192100), (17, 113000), (20, 96050), (25, 76840), (34, 56500), (40, 48025), (50, 38420), (68, 28250), (85, 22600), (100, 19210), (113, 17000), (125, 15368), (136, 14125), (170, 11300), (200, 9605), (226, 8500), (250, 7684), (340, 5650), (425, 4520), (452, 4250), (500, 3842), (565, 3400), (680, 2825), (850, 2260), (904, 2125), (1000, 1921), (1130, 1700)]