1098200

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^2\times {\mathrm{19}}^1$

素因数の和:69

約数の個数: 72

約数和(自身を含む): 2855100

約数和(自身を除く): 1756900

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 25, 34, 38, 40, 50, 68, 76, 85, 95, 100, 136, 152, 170, 190, 200, 289, 323, 340, 380, 425, 475, 578, 646, 680, 760, 850, 950, 1156, 1292, 1445, 1615, 1700, 1900, 2312, 2584, 2890, 3230, 3400, 3800, 5491, 5780, 6460, 7225, 8075, 10982, 11560, 12920, 14450, 16150, 21964, 27455, 28900, 32300, 43928, 54910, 57800, 64600, 109820, 137275, 219640, 274550, 549100, 1098200]

約数ペア:

[(1, 1098200), (2, 549100), (4, 274550), (5, 219640), (8, 137275), (10, 109820), (17, 64600), (19, 57800), (20, 54910), (25, 43928), (34, 32300), (38, 28900), (40, 27455), (50, 21964), (68, 16150), (76, 14450), (85, 12920), (95, 11560), (100, 10982), (136, 8075), (152, 7225), (170, 6460), (190, 5780), (200, 5491), (289, 3800), (323, 3400), (340, 3230), (380, 2890), (425, 2584), (475, 2312), (578, 1900), (646, 1700), (680, 1615), (760, 1445), (850, 1292), (950, 1156)]