217538800

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31991}}^1$

素因数の和:32026

約数の個数: 60

約数和(自身を含む): 553397616

約数和(自身を除く): 335858816

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 100, 136, 170, 200, 272, 340, 400, 425, 680, 850, 1360, 1700, 3400, 6800, 31991, 63982, 127964, 159955, 255928, 319910, 511856, 543847, 639820, 799775, 1087694, 1279640, 1599550, 2175388, 2559280, 2719235, 3199100, 4350776, 5438470, 6398200, 8701552, 10876940, 12796400, 13596175, 21753880, 27192350, 43507760, 54384700, 108769400, 217538800]

約数ペア:

[(1, 217538800), (2, 108769400), (4, 54384700), (5, 43507760), (8, 27192350), (10, 21753880), (16, 13596175), (17, 12796400), (20, 10876940), (25, 8701552), (34, 6398200), (40, 5438470), (50, 4350776), (68, 3199100), (80, 2719235), (85, 2559280), (100, 2175388), (136, 1599550), (170, 1279640), (200, 1087694), (272, 799775), (340, 639820), (400, 543847), (425, 511856), (680, 319910), (850, 255928), (1360, 159955), (1700, 127964), (3400, 63982), (6800, 31991)]