127197420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{302851}}^1$

素因数の和:302870

約数の個数: 48

約数和(自身を含む): 407033088

約数和(自身を除く): 279835668

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 302851, 605702, 908553, 1211404, 1514255, 1817106, 2119957, 3028510, 3634212, 4239914, 4542765, 6057020, 6359871, 8479828, 9085530, 10599785, 12719742, 18171060, 21199570, 25439484, 31799355, 42399140, 63598710, 127197420]

約数ペア:

[(1, 127197420), (2, 63598710), (3, 42399140), (4, 31799355), (5, 25439484), (6, 21199570), (7, 18171060), (10, 12719742), (12, 10599785), (14, 9085530), (15, 8479828), (20, 6359871), (21, 6057020), (28, 4542765), (30, 4239914), (35, 3634212), (42, 3028510), (60, 2119957), (70, 1817106), (84, 1514255), (105, 1211404), (140, 908553), (210, 605702), (420, 302851)]