69656020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{647}}^1\times {\mathrm{769}}^1$

素因数の和:1432

約数の個数: 48

約数和(自身を含む): 167650560

約数和(自身を除く): 97994540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 647, 769, 1294, 1538, 2588, 3076, 3235, 3845, 4529, 5383, 6470, 7690, 9058, 10766, 12940, 15380, 18116, 21532, 22645, 26915, 45290, 53830, 90580, 107660, 497543, 995086, 1990172, 2487715, 3482801, 4975430, 6965602, 9950860, 13931204, 17414005, 34828010, 69656020]

約数ペア:

[(1, 69656020), (2, 34828010), (4, 17414005), (5, 13931204), (7, 9950860), (10, 6965602), (14, 4975430), (20, 3482801), (28, 2487715), (35, 1990172), (70, 995086), (140, 497543), (647, 107660), (769, 90580), (1294, 53830), (1538, 45290), (2588, 26915), (3076, 22645), (3235, 21532), (3845, 18116), (4529, 15380), (5383, 12940), (6470, 10766), (7690, 9058)]