164960300

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{419}}^1$

素因数の和:591

約数の個数: 72

約数和(自身を含む): 373309440

約数和(自身を除く): 208349140

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 127, 155, 254, 310, 419, 508, 620, 635, 775, 838, 1270, 1550, 1676, 2095, 2540, 3100, 3175, 3937, 4190, 6350, 7874, 8380, 10475, 12700, 12989, 15748, 19685, 20950, 25978, 39370, 41900, 51956, 53213, 64945, 78740, 98425, 106426, 129890, 196850, 212852, 259780, 266065, 324725, 393700, 532130, 649450, 1064260, 1298900, 1330325, 1649603, 2660650, 3299206, 5321300, 6598412, 8248015, 16496030, 32992060, 41240075, 82480150, 164960300]

約数ペア:

[(1, 164960300), (2, 82480150), (4, 41240075), (5, 32992060), (10, 16496030), (20, 8248015), (25, 6598412), (31, 5321300), (50, 3299206), (62, 2660650), (100, 1649603), (124, 1330325), (127, 1298900), (155, 1064260), (254, 649450), (310, 532130), (419, 393700), (508, 324725), (620, 266065), (635, 259780), (775, 212852), (838, 196850), (1270, 129890), (1550, 106426), (1676, 98425), (2095, 78740), (2540, 64945), (3100, 53213), (3175, 51956), (3937, 41900), (4190, 39370), (6350, 25978), (7874, 20950), (8380, 19685), (10475, 15748), (12700, 12989)]