8995420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{137}}^1$

素因数の和:227

約数の個数: 72

約数和(自身を含む): 22465296

約数和(自身を除く): 13469876

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 67, 70, 98, 134, 137, 140, 196, 245, 268, 274, 335, 469, 490, 548, 670, 685, 938, 959, 980, 1340, 1370, 1876, 1918, 2345, 2740, 3283, 3836, 4690, 4795, 6566, 6713, 9179, 9380, 9590, 13132, 13426, 16415, 18358, 19180, 26852, 32830, 33565, 36716, 45895, 64253, 65660, 67130, 91790, 128506, 134260, 183580, 257012, 321265, 449771, 642530, 899542, 1285060, 1799084, 2248855, 4497710, 8995420]

約数ペア:

[(1, 8995420), (2, 4497710), (4, 2248855), (5, 1799084), (7, 1285060), (10, 899542), (14, 642530), (20, 449771), (28, 321265), (35, 257012), (49, 183580), (67, 134260), (70, 128506), (98, 91790), (134, 67130), (137, 65660), (140, 64253), (196, 45895), (245, 36716), (268, 33565), (274, 32830), (335, 26852), (469, 19180), (490, 18358), (548, 16415), (670, 13426), (685, 13132), (938, 9590), (959, 9380), (980, 9179), (1340, 6713), (1370, 6566), (1876, 4795), (1918, 4690), (2345, 3836), (2740, 3283)]