128949100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{4493}}^1$

素因数の和:4555

約数の個数: 72

約数和(自身を含む): 327666528

約数和(自身を除く): 198717428

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 41, 50, 70, 82, 100, 140, 164, 175, 205, 287, 350, 410, 574, 700, 820, 1025, 1148, 1435, 2050, 2870, 4100, 4493, 5740, 7175, 8986, 14350, 17972, 22465, 28700, 31451, 44930, 62902, 89860, 112325, 125804, 157255, 184213, 224650, 314510, 368426, 449300, 629020, 736852, 786275, 921065, 1289491, 1572550, 1842130, 2578982, 3145100, 3684260, 4605325, 5157964, 6447455, 9210650, 12894910, 18421300, 25789820, 32237275, 64474550, 128949100]

約数ペア:

[(1, 128949100), (2, 64474550), (4, 32237275), (5, 25789820), (7, 18421300), (10, 12894910), (14, 9210650), (20, 6447455), (25, 5157964), (28, 4605325), (35, 3684260), (41, 3145100), (50, 2578982), (70, 1842130), (82, 1572550), (100, 1289491), (140, 921065), (164, 786275), (175, 736852), (205, 629020), (287, 449300), (350, 368426), (410, 314510), (574, 224650), (700, 184213), (820, 157255), (1025, 125804), (1148, 112325), (1435, 89860), (2050, 62902), (2870, 44930), (4100, 31451), (4493, 28700), (5740, 22465), (7175, 17972), (8986, 14350)]