121954980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{290369}}^1$

素因数の和:290388

約数の個数: 48

約数和(自身を含む): 390257280

約数和(自身を除く): 268302300

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, 290369, 580738, 871107, 1161476, 1451845, 1742214, 2032583, 2903690, 3484428, 4065166, 4355535, 5807380, 6097749, 8130332, 8711070, 10162915, 12195498, 17422140, 20325830, 24390996, 30488745, 40651660, 60977490, 121954980]

約数ペア:

[(1, 121954980), (2, 60977490), (3, 40651660), (4, 30488745), (5, 24390996), (6, 20325830), (7, 17422140), (10, 12195498), (12, 10162915), (14, 8711070), (15, 8130332), (20, 6097749), (21, 5807380), (28, 4355535), (30, 4065166), (35, 3484428), (42, 2903690), (60, 2032583), (70, 1742214), (84, 1451845), (105, 1161476), (140, 871107), (210, 580738), (420, 290369)]