6490780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:107

約数の個数: 72

約数和(自身を含む): 15361920

約数和(自身を除く): 8871140

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 31, 38, 58, 62, 76, 95, 116, 124, 145, 155, 190, 290, 310, 361, 380, 551, 580, 589, 620, 722, 899, 1102, 1178, 1444, 1798, 1805, 2204, 2356, 2755, 2945, 3596, 3610, 4495, 5510, 5890, 7220, 8990, 10469, 11020, 11191, 11780, 17081, 17980, 20938, 22382, 34162, 41876, 44764, 52345, 55955, 68324, 85405, 104690, 111910, 170810, 209380, 223820, 324539, 341620, 649078, 1298156, 1622695, 3245390, 6490780]

約数ペア:

[(1, 6490780), (2, 3245390), (4, 1622695), (5, 1298156), (10, 649078), (19, 341620), (20, 324539), (29, 223820), (31, 209380), (38, 170810), (58, 111910), (62, 104690), (76, 85405), (95, 68324), (116, 55955), (124, 52345), (145, 44764), (155, 41876), (190, 34162), (290, 22382), (310, 20938), (361, 17980), (380, 17081), (551, 11780), (580, 11191), (589, 11020), (620, 10469), (722, 8990), (899, 7220), (1102, 5890), (1178, 5510), (1444, 4495), (1798, 3610), (1805, 3596), (2204, 2945), (2356, 2755)]