28305158420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{839}}^1\times {\mathrm{1153}}^1$

素因数の和:2038

約数の個数: 192

約数和(自身を含む): 78169190400

約数和(自身を除く): 49864031980

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 19, 20, 22, 28, 35, 38, 44, 55, 70, 76, 77, 95, 110, 133, 140, 154, 190, 209, 220, 266, 308, 380, 385, 418, 532, 665, 770, 836, 839, 1045, 1153, 1330, 1463, 1540, 1678, 2090, 2306, 2660, 2926, 3356, 4180, 4195, 4612, 5765, 5852, 5873, 7315, 8071, 8390, 9229, 11530, 11746, 12683, 14630, 15941, 16142, 16780, 18458, 21907, 23060, 23492, 25366, 29260, 29365, 31882, 32284, 36916, 40355, 43814, 46145, 50732, 58730, 63415, 63764, 64603, 79705, 80710, 87628, 88781, 92290, 109535, 111587, 117460, 126830, 129206, 153349, 159410, 161420, 175351, 177562, 184580, 219070, 223174, 240977, 253660, 258412, 306698, 318820, 323015, 350702, 355124, 438140, 443905, 446348, 481954, 557935, 613396, 646030, 701404, 766745, 876755, 887810, 963908, 967367, 1115870, 1204885, 1227457, 1292060, 1533490, 1686839, 1753510, 1775620, 1934734, 2231740, 2409770, 2454914, 3066980, 3373678, 3507020, 3869468, 4819540, 4836835, 4909828, 6137285, 6747356, 6771569, 8434195, 9673670, 10641037, 12274570, 13543138, 16868390, 18379973, 19347340, 21282074, 24549140, 27086276, 33736780, 33857845, 36759946, 42564148, 53205185, 67715690, 73519892, 74487259, 91899865, 106410370, 128659811, 135431380, 148974518, 183799730, 202179703, 212820740, 257319622, 297949036, 367599460, 372436295, 404359406, 514639244, 643299055, 744872590, 808718812, 1010898515, 1286598110, 1415257921, 1489745180, 2021797030, 2573196220, 2830515842, 4043594060, 5661031684, 7076289605, 14152579210, 28305158420]

約数ペア:

[(1, 28305158420), (2, 14152579210), (4, 7076289605), (5, 5661031684), (7, 4043594060), (10, 2830515842), (11, 2573196220), (14, 2021797030), (19, 1489745180), (20, 1415257921), (22, 1286598110), (28, 1010898515), (35, 808718812), (38, 744872590), (44, 643299055), (55, 514639244), (70, 404359406), (76, 372436295), (77, 367599460), (95, 297949036), (110, 257319622), (133, 212820740), (140, 202179703), (154, 183799730), (190, 148974518), (209, 135431380), (220, 128659811), (266, 106410370), (308, 91899865), (380, 74487259), (385, 73519892), (418, 67715690), (532, 53205185), (665, 42564148), (770, 36759946), (836, 33857845), (839, 33736780), (1045, 27086276), (1153, 24549140), (1330, 21282074), (1463, 19347340), (1540, 18379973), (1678, 16868390), (2090, 13543138), (2306, 12274570), (2660, 10641037), (2926, 9673670), (3356, 8434195), (4180, 6771569), (4195, 6747356), (4612, 6137285), (5765, 4909828), (5852, 4836835), (5873, 4819540), (7315, 3869468), (8071, 3507020), (8390, 3373678), (9229, 3066980), (11530, 2454914), (11746, 2409770), (12683, 2231740), (14630, 1934734), (15941, 1775620), (16142, 1753510), (16780, 1686839), (18458, 1533490), (21907, 1292060), (23060, 1227457), (23492, 1204885), (25366, 1115870), (29260, 967367), (29365, 963908), (31882, 887810), (32284, 876755), (36916, 766745), (40355, 701404), (43814, 646030), (46145, 613396), (50732, 557935), (58730, 481954), (63415, 446348), (63764, 443905), (64603, 438140), (79705, 355124), (80710, 350702), (87628, 323015), (88781, 318820), (92290, 306698), (109535, 258412), (111587, 253660), (117460, 240977), (126830, 223174), (129206, 219070), (153349, 184580), (159410, 177562), (161420, 175351)]