138537420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19403}}^1$

素因数の和:19439

約数の個数: 96

約数和(自身を含む): 469421568

約数和(自身を除く): 330884148

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 68, 70, 84, 85, 102, 105, 119, 140, 170, 204, 210, 238, 255, 340, 357, 420, 476, 510, 595, 714, 1020, 1190, 1428, 1785, 2380, 3570, 7140, 19403, 38806, 58209, 77612, 97015, 116418, 135821, 194030, 232836, 271642, 291045, 329851, 388060, 407463, 543284, 582090, 659702, 679105, 814926, 989553, 1164180, 1319404, 1358210, 1629852, 1649255, 1979106, 2037315, 2308957, 2716420, 3298510, 3958212, 4074630, 4617914, 4947765, 6597020, 6926871, 8149260, 9235828, 9895530, 11544785, 13853742, 19791060, 23089570, 27707484, 34634355, 46179140, 69268710, 138537420]

約数ペア:

[(1, 138537420), (2, 69268710), (3, 46179140), (4, 34634355), (5, 27707484), (6, 23089570), (7, 19791060), (10, 13853742), (12, 11544785), (14, 9895530), (15, 9235828), (17, 8149260), (20, 6926871), (21, 6597020), (28, 4947765), (30, 4617914), (34, 4074630), (35, 3958212), (42, 3298510), (51, 2716420), (60, 2308957), (68, 2037315), (70, 1979106), (84, 1649255), (85, 1629852), (102, 1358210), (105, 1319404), (119, 1164180), (140, 989553), (170, 814926), (204, 679105), (210, 659702), (238, 582090), (255, 543284), (340, 407463), (357, 388060), (420, 329851), (476, 291045), (510, 271642), (595, 232836), (714, 194030), (1020, 135821), (1190, 116418), (1428, 97015), (1785, 77612), (2380, 58209), (3570, 38806), (7140, 19403)]