121947420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{290351}}^1$

素因数の和:290370

約数の個数: 48

約数和(自身を含む): 390233088

約数和(自身を除く): 268285668

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, 290351, 580702, 871053, 1161404, 1451755, 1742106, 2032457, 2903510, 3484212, 4064914, 4355265, 5807020, 6097371, 8129828, 8710530, 10162285, 12194742, 17421060, 20324570, 24389484, 30486855, 40649140, 60973710, 121947420]

約数ペア:

[(1, 121947420), (2, 60973710), (3, 40649140), (4, 30486855), (5, 24389484), (6, 20324570), (7, 17421060), (10, 12194742), (12, 10162285), (14, 8710530), (15, 8129828), (20, 6097371), (21, 5807020), (28, 4355265), (30, 4064914), (35, 3484212), (42, 2903510), (60, 2032457), (70, 1742106), (84, 1451755), (105, 1161404), (140, 871053), (210, 580702), (420, 290351)]