28894440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1$

素因数の和:104

約数の個数: 192

約数和(自身を含む): 98755200

約数和(自身を除く): 69860760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 23, 24, 29, 30, 38, 40, 46, 57, 58, 60, 69, 76, 87, 92, 95, 114, 115, 116, 120, 138, 145, 152, 174, 184, 190, 228, 230, 232, 276, 285, 290, 345, 348, 361, 380, 435, 437, 456, 460, 551, 552, 570, 580, 667, 690, 696, 722, 760, 870, 874, 920, 1083, 1102, 1140, 1160, 1311, 1334, 1380, 1444, 1653, 1740, 1748, 1805, 2001, 2166, 2185, 2204, 2280, 2622, 2668, 2755, 2760, 2888, 3306, 3335, 3480, 3496, 3610, 4002, 4332, 4370, 4408, 5244, 5336, 5415, 5510, 6555, 6612, 6670, 7220, 8004, 8265, 8303, 8664, 8740, 10005, 10469, 10488, 10830, 11020, 12673, 13110, 13224, 13340, 14440, 16008, 16530, 16606, 17480, 20010, 20938, 21660, 22040, 24909, 25346, 26220, 26680, 31407, 33060, 33212, 38019, 40020, 41515, 41876, 43320, 49818, 50692, 52345, 52440, 62814, 63365, 66120, 66424, 76038, 80040, 83030, 83752, 99636, 101384, 104690, 124545, 125628, 126730, 152076, 157035, 166060, 190095, 199272, 209380, 240787, 249090, 251256, 253460, 304152, 314070, 332120, 380190, 418760, 481574, 498180, 506920, 628140, 722361, 760380, 963148, 996360, 1203935, 1256280, 1444722, 1520760, 1926296, 2407870, 2889444, 3611805, 4815740, 5778888, 7223610, 9631480, 14447220, 28894440]

約数ペア:

[(1, 28894440), (2, 14447220), (3, 9631480), (4, 7223610), (5, 5778888), (6, 4815740), (8, 3611805), (10, 2889444), (12, 2407870), (15, 1926296), (19, 1520760), (20, 1444722), (23, 1256280), (24, 1203935), (29, 996360), (30, 963148), (38, 760380), (40, 722361), (46, 628140), (57, 506920), (58, 498180), (60, 481574), (69, 418760), (76, 380190), (87, 332120), (92, 314070), (95, 304152), (114, 253460), (115, 251256), (116, 249090), (120, 240787), (138, 209380), (145, 199272), (152, 190095), (174, 166060), (184, 157035), (190, 152076), (228, 126730), (230, 125628), (232, 124545), (276, 104690), (285, 101384), (290, 99636), (345, 83752), (348, 83030), (361, 80040), (380, 76038), (435, 66424), (437, 66120), (456, 63365), (460, 62814), (551, 52440), (552, 52345), (570, 50692), (580, 49818), (667, 43320), (690, 41876), (696, 41515), (722, 40020), (760, 38019), (870, 33212), (874, 33060), (920, 31407), (1083, 26680), (1102, 26220), (1140, 25346), (1160, 24909), (1311, 22040), (1334, 21660), (1380, 20938), (1444, 20010), (1653, 17480), (1740, 16606), (1748, 16530), (1805, 16008), (2001, 14440), (2166, 13340), (2185, 13224), (2204, 13110), (2280, 12673), (2622, 11020), (2668, 10830), (2755, 10488), (2760, 10469), (2888, 10005), (3306, 8740), (3335, 8664), (3480, 8303), (3496, 8265), (3610, 8004), (4002, 7220), (4332, 6670), (4370, 6612), (4408, 6555), (5244, 5510), (5336, 5415)]