1227400

素因数分解:

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

素因数の和:71

約数の個数: 72

約数和(自身を含む): 3188970

約数和(自身を除く): 1961570

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, 323, 340, 361, 380, 425, 475, 646, 680, 722, 760, 850, 950, 1292, 1444, 1615, 1700, 1805, 1900, 2584, 2888, 3230, 3400, 3610, 3800, 6137, 6460, 7220, 8075, 9025, 12274, 12920, 14440, 16150, 18050, 24548, 30685, 32300, 36100, 49096, 61370, 64600, 72200, 122740, 153425, 245480, 306850, 613700, 1227400]

約数ペア:

[(1, 1227400), (2, 613700), (4, 306850), (5, 245480), (8, 153425), (10, 122740), (17, 72200), (19, 64600), (20, 61370), (25, 49096), (34, 36100), (38, 32300), (40, 30685), (50, 24548), (68, 18050), (76, 16150), (85, 14440), (95, 12920), (100, 12274), (136, 9025), (152, 8075), (170, 7220), (190, 6460), (200, 6137), (323, 3800), (340, 3610), (361, 3400), (380, 3230), (425, 2888), (475, 2584), (646, 1900), (680, 1805), (722, 1700), (760, 1615), (850, 1444), (950, 1292)]