17990840

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{137}}^1$

素因数の和:229

約数の個数: 96

約数和(自身を含む): 48139920

約数和(自身を除く): 30149080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 67, 70, 98, 134, 137, 140, 196, 245, 268, 274, 280, 335, 392, 469, 490, 536, 548, 670, 685, 938, 959, 980, 1096, 1340, 1370, 1876, 1918, 1960, 2345, 2680, 2740, 3283, 3752, 3836, 4690, 4795, 5480, 6566, 6713, 7672, 9179, 9380, 9590, 13132, 13426, 16415, 18358, 18760, 19180, 26264, 26852, 32830, 33565, 36716, 38360, 45895, 53704, 64253, 65660, 67130, 73432, 91790, 128506, 131320, 134260, 183580, 257012, 268520, 321265, 367160, 449771, 514024, 642530, 899542, 1285060, 1799084, 2248855, 2570120, 3598168, 4497710, 8995420, 17990840]

約数ペア:

[(1, 17990840), (2, 8995420), (4, 4497710), (5, 3598168), (7, 2570120), (8, 2248855), (10, 1799084), (14, 1285060), (20, 899542), (28, 642530), (35, 514024), (40, 449771), (49, 367160), (56, 321265), (67, 268520), (70, 257012), (98, 183580), (134, 134260), (137, 131320), (140, 128506), (196, 91790), (245, 73432), (268, 67130), (274, 65660), (280, 64253), (335, 53704), (392, 45895), (469, 38360), (490, 36716), (536, 33565), (548, 32830), (670, 26852), (685, 26264), (938, 19180), (959, 18760), (980, 18358), (1096, 16415), (1340, 13426), (1370, 13132), (1876, 9590), (1918, 9380), (1960, 9179), (2345, 7672), (2680, 6713), (2740, 6566), (3283, 5480), (3752, 4795), (3836, 4690)]