164420900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{7577}}^1$

素因数の和:7629

約数の個数: 72

約数和(自身を含む): 420973056

約数和(自身を除く): 256552156

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 31, 35, 50, 62, 70, 100, 124, 140, 155, 175, 217, 310, 350, 434, 620, 700, 775, 868, 1085, 1550, 2170, 3100, 4340, 5425, 7577, 10850, 15154, 21700, 30308, 37885, 53039, 75770, 106078, 151540, 189425, 212156, 234887, 265195, 378850, 469774, 530390, 757700, 939548, 1060780, 1174435, 1325975, 1644209, 2348870, 2651950, 3288418, 4697740, 5303900, 5872175, 6576836, 8221045, 11744350, 16442090, 23488700, 32884180, 41105225, 82210450, 164420900]

約数ペア:

[(1, 164420900), (2, 82210450), (4, 41105225), (5, 32884180), (7, 23488700), (10, 16442090), (14, 11744350), (20, 8221045), (25, 6576836), (28, 5872175), (31, 5303900), (35, 4697740), (50, 3288418), (62, 2651950), (70, 2348870), (100, 1644209), (124, 1325975), (140, 1174435), (155, 1060780), (175, 939548), (217, 757700), (310, 530390), (350, 469774), (434, 378850), (620, 265195), (700, 234887), (775, 212156), (868, 189425), (1085, 151540), (1550, 106078), (2170, 75770), (3100, 53039), (4340, 37885), (5425, 30308), (7577, 21700), (10850, 15154)]