549100

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^2\times {\mathrm{19}}^1$

素因数の和:67

約数の個数: 54

約数和(自身を含む): 1332380

約数和(自身を除く): 783280

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 25, 34, 38, 50, 68, 76, 85, 95, 100, 170, 190, 289, 323, 340, 380, 425, 475, 578, 646, 850, 950, 1156, 1292, 1445, 1615, 1700, 1900, 2890, 3230, 5491, 5780, 6460, 7225, 8075, 10982, 14450, 16150, 21964, 27455, 28900, 32300, 54910, 109820, 137275, 274550, 549100]

約数ペア:

[(1, 549100), (2, 274550), (4, 137275), (5, 109820), (10, 54910), (17, 32300), (19, 28900), (20, 27455), (25, 21964), (34, 16150), (38, 14450), (50, 10982), (68, 8075), (76, 7225), (85, 6460), (95, 5780), (100, 5491), (170, 3230), (190, 2890), (289, 1900), (323, 1700), (340, 1615), (380, 1445), (425, 1292), (475, 1156), (578, 950), (646, 850)]