121430020

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{179}}^1\times {\mathrm{317}}^1$

素因数の和:612

約数の個数: 48

約数和(自身を含む): 259640640

約数和(自身を除く): 138210620

約数列:

[1, 2, 4, 5, 10, 20, 107, 179, 214, 317, 358, 428, 535, 634, 716, 895, 1070, 1268, 1585, 1790, 2140, 3170, 3580, 6340, 19153, 33919, 38306, 56743, 67838, 76612, 95765, 113486, 135676, 169595, 191530, 226972, 283715, 339190, 383060, 567430, 678380, 1134860, 6071501, 12143002, 24286004, 30357505, 60715010, 121430020]

約数ペア:

[(1, 121430020), (2, 60715010), (4, 30357505), (5, 24286004), (10, 12143002), (20, 6071501), (107, 1134860), (179, 678380), (214, 567430), (317, 383060), (358, 339190), (428, 283715), (535, 226972), (634, 191530), (716, 169595), (895, 135676), (1070, 113486), (1268, 95765), (1585, 76612), (1790, 67838), (2140, 56743), (3170, 38306), (3580, 33919), (6340, 19153)]