38828580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{281}}^1$

素因数の和:354

約数の個数: 144

約数和(自身を含む): 129620736

約数和(自身を除く): 90792156

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 47, 49, 60, 70, 84, 94, 98, 105, 140, 141, 147, 188, 196, 210, 235, 245, 281, 282, 294, 329, 420, 470, 490, 562, 564, 588, 658, 705, 735, 843, 940, 980, 987, 1124, 1316, 1405, 1410, 1470, 1645, 1686, 1967, 1974, 2303, 2810, 2820, 2940, 3290, 3372, 3934, 3948, 4215, 4606, 4935, 5620, 5901, 6580, 6909, 7868, 8430, 9212, 9835, 9870, 11515, 11802, 13207, 13769, 13818, 16860, 19670, 19740, 23030, 23604, 26414, 27538, 27636, 29505, 34545, 39340, 39621, 41307, 46060, 52828, 55076, 59010, 66035, 68845, 69090, 79242, 82614, 92449, 118020, 132070, 137690, 138180, 158484, 165228, 184898, 198105, 206535, 264140, 275380, 277347, 369796, 396210, 413070, 462245, 554694, 647143, 792420, 826140, 924490, 1109388, 1294286, 1386735, 1848980, 1941429, 2588572, 2773470, 3235715, 3882858, 5546940, 6471430, 7765716, 9707145, 12942860, 19414290, 38828580]

約数ペア:

[(1, 38828580), (2, 19414290), (3, 12942860), (4, 9707145), (5, 7765716), (6, 6471430), (7, 5546940), (10, 3882858), (12, 3235715), (14, 2773470), (15, 2588572), (20, 1941429), (21, 1848980), (28, 1386735), (30, 1294286), (35, 1109388), (42, 924490), (47, 826140), (49, 792420), (60, 647143), (70, 554694), (84, 462245), (94, 413070), (98, 396210), (105, 369796), (140, 277347), (141, 275380), (147, 264140), (188, 206535), (196, 198105), (210, 184898), (235, 165228), (245, 158484), (281, 138180), (282, 137690), (294, 132070), (329, 118020), (420, 92449), (470, 82614), (490, 79242), (562, 69090), (564, 68845), (588, 66035), (658, 59010), (705, 55076), (735, 52828), (843, 46060), (940, 41307), (980, 39621), (987, 39340), (1124, 34545), (1316, 29505), (1405, 27636), (1410, 27538), (1470, 26414), (1645, 23604), (1686, 23030), (1967, 19740), (1974, 19670), (2303, 16860), (2810, 13818), (2820, 13769), (2940, 13207), (3290, 11802), (3372, 11515), (3934, 9870), (3948, 9835), (4215, 9212), (4606, 8430), (4935, 7868), (5620, 6909), (5901, 6580)]