210194105

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:198

約数の個数: 64

約数和(自身を含む): 301694976

約数和(自身を除く): 91500871

約数列:

[1, 5, 11, 31, 43, 47, 55, 61, 155, 215, 235, 305, 341, 473, 517, 671, 1333, 1457, 1705, 1891, 2021, 2365, 2585, 2623, 2867, 3355, 6665, 7285, 9455, 10105, 13115, 14335, 14663, 16027, 20801, 22231, 28853, 31537, 62651, 73315, 80135, 81313, 88877, 104005, 111155, 123281, 144265, 157685, 313255, 406565, 444385, 616405, 689161, 894443, 977647, 1356091, 3445805, 3821711, 4472215, 4888235, 6780455, 19108555, 42038821, 210194105]

約数ペア:

[(1, 210194105), (5, 42038821), (11, 19108555), (31, 6780455), (43, 4888235), (47, 4472215), (55, 3821711), (61, 3445805), (155, 1356091), (215, 977647), (235, 894443), (305, 689161), (341, 616405), (473, 444385), (517, 406565), (671, 313255), (1333, 157685), (1457, 144265), (1705, 123281), (1891, 111155), (2021, 104005), (2365, 88877), (2585, 81313), (2623, 80135), (2867, 73315), (3355, 62651), (6665, 31537), (7285, 28853), (9455, 22231), (10105, 20801), (13115, 16027), (14335, 14663)]