990147340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{41849}}^1$

素因数の和:41891

約数の個数: 72

約数和(自身を含む): 2573272800

約数和(自身を除く): 1583125460

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 169, 182, 260, 338, 364, 455, 676, 845, 910, 1183, 1690, 1820, 2366, 3380, 4732, 5915, 11830, 23660, 41849, 83698, 167396, 209245, 292943, 418490, 544037, 585886, 836980, 1088074, 1171772, 1464715, 2176148, 2720185, 2929430, 3808259, 5440370, 5858860, 7072481, 7616518, 10880740, 14144962, 15233036, 19041295, 28289924, 35362405, 38082590, 49507367, 70724810, 76165180, 99014734, 141449620, 198029468, 247536835, 495073670, 990147340]

約数ペア:

[(1, 990147340), (2, 495073670), (4, 247536835), (5, 198029468), (7, 141449620), (10, 99014734), (13, 76165180), (14, 70724810), (20, 49507367), (26, 38082590), (28, 35362405), (35, 28289924), (52, 19041295), (65, 15233036), (70, 14144962), (91, 10880740), (130, 7616518), (140, 7072481), (169, 5858860), (182, 5440370), (260, 3808259), (338, 2929430), (364, 2720185), (455, 2176148), (676, 1464715), (845, 1171772), (910, 1088074), (1183, 836980), (1690, 585886), (1820, 544037), (2366, 418490), (3380, 292943), (4732, 209245), (5915, 167396), (11830, 83698), (23660, 41849)]