331328440

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{373}}^1\times {\mathrm{419}}^1$

素因数の和:856

約数の個数: 64

約数和(自身を含む): 763408800

約数和(自身を除く): 432080360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 373, 419, 424, 530, 746, 838, 1060, 1492, 1676, 1865, 2095, 2120, 2984, 3352, 3730, 4190, 7460, 8380, 14920, 16760, 19769, 22207, 39538, 44414, 79076, 88828, 98845, 111035, 156287, 158152, 177656, 197690, 222070, 312574, 395380, 444140, 625148, 781435, 790760, 888280, 1250296, 1562870, 3125740, 6251480, 8283211, 16566422, 33132844, 41416055, 66265688, 82832110, 165664220, 331328440]

約数ペア:

[(1, 331328440), (2, 165664220), (4, 82832110), (5, 66265688), (8, 41416055), (10, 33132844), (20, 16566422), (40, 8283211), (53, 6251480), (106, 3125740), (212, 1562870), (265, 1250296), (373, 888280), (419, 790760), (424, 781435), (530, 625148), (746, 444140), (838, 395380), (1060, 312574), (1492, 222070), (1676, 197690), (1865, 177656), (2095, 158152), (2120, 156287), (2984, 111035), (3352, 98845), (3730, 88828), (4190, 79076), (7460, 44414), (8380, 39538), (14920, 22207), (16760, 19769)]