208968060

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{647}}^1\times {\mathrm{769}}^1$

素因数の和:1435

約数の個数: 96

約数和(自身を含む): 670602240

約数和(自身を除く): 461634180

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, 647, 769, 1294, 1538, 1941, 2307, 2588, 3076, 3235, 3845, 3882, 4529, 4614, 5383, 6470, 7690, 7764, 9058, 9228, 9705, 10766, 11535, 12940, 13587, 15380, 16149, 18116, 19410, 21532, 22645, 23070, 26915, 27174, 32298, 38820, 45290, 46140, 53830, 54348, 64596, 67935, 80745, 90580, 107660, 135870, 161490, 271740, 322980, 497543, 995086, 1492629, 1990172, 2487715, 2985258, 3482801, 4975430, 5970516, 6965602, 7463145, 9950860, 10448403, 13931204, 14926290, 17414005, 20896806, 29852580, 34828010, 41793612, 52242015, 69656020, 104484030, 208968060]

約数ペア:

[(1, 208968060), (2, 104484030), (3, 69656020), (4, 52242015), (5, 41793612), (6, 34828010), (7, 29852580), (10, 20896806), (12, 17414005), (14, 14926290), (15, 13931204), (20, 10448403), (21, 9950860), (28, 7463145), (30, 6965602), (35, 5970516), (42, 4975430), (60, 3482801), (70, 2985258), (84, 2487715), (105, 1990172), (140, 1492629), (210, 995086), (420, 497543), (647, 322980), (769, 271740), (1294, 161490), (1538, 135870), (1941, 107660), (2307, 90580), (2588, 80745), (3076, 67935), (3235, 64596), (3845, 54348), (3882, 53830), (4529, 46140), (4614, 45290), (5383, 38820), (6470, 32298), (7690, 27174), (7764, 26915), (9058, 23070), (9228, 22645), (9705, 21532), (10766, 19410), (11535, 18116), (12940, 16149), (13587, 15380)]