1730000

素因数分解:

$2^4\times 5^4\times {\mathrm{173}}^1$

素因数の和:201

約数の個数: 50

約数和(自身を含む): 4212714

約数和(自身を除く): 2482714

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 173, 200, 250, 346, 400, 500, 625, 692, 865, 1000, 1250, 1384, 1730, 2000, 2500, 2768, 3460, 4325, 5000, 6920, 8650, 10000, 13840, 17300, 21625, 34600, 43250, 69200, 86500, 108125, 173000, 216250, 346000, 432500, 865000, 1730000]

約数ペア:

[(1, 1730000), (2, 865000), (4, 432500), (5, 346000), (8, 216250), (10, 173000), (16, 108125), (20, 86500), (25, 69200), (40, 43250), (50, 34600), (80, 21625), (100, 17300), (125, 13840), (173, 10000), (200, 8650), (250, 6920), (346, 5000), (400, 4325), (500, 3460), (625, 2768), (692, 2500), (865, 2000), (1000, 1730), (1250, 1384)]