204112480

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{811}}^1$

素因数の和:861

約数の個数: 144

約数和(自身を含む): 571514832

約数和(自身を除く): 367402352

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 65, 80, 88, 104, 110, 121, 130, 143, 160, 176, 208, 220, 242, 260, 286, 352, 416, 440, 484, 520, 572, 605, 715, 811, 880, 968, 1040, 1144, 1210, 1430, 1573, 1622, 1760, 1936, 2080, 2288, 2420, 2860, 3146, 3244, 3872, 4055, 4576, 4840, 5720, 6292, 6488, 7865, 8110, 8921, 9680, 10543, 11440, 12584, 12976, 15730, 16220, 17842, 19360, 21086, 22880, 25168, 25952, 31460, 32440, 35684, 42172, 44605, 50336, 52715, 62920, 64880, 71368, 84344, 89210, 98131, 105430, 115973, 125840, 129760, 142736, 168688, 178420, 196262, 210860, 231946, 251680, 285472, 337376, 356840, 392524, 421720, 463892, 490655, 579865, 713680, 785048, 843440, 927784, 981310, 1159730, 1275703, 1427360, 1570096, 1686880, 1855568, 1962620, 2319460, 2551406, 3140192, 3711136, 3925240, 4638920, 5102812, 6378515, 7850480, 9277840, 10205624, 12757030, 15700960, 18555680, 20411248, 25514060, 40822496, 51028120, 102056240, 204112480]

約数ペア:

[(1, 204112480), (2, 102056240), (4, 51028120), (5, 40822496), (8, 25514060), (10, 20411248), (11, 18555680), (13, 15700960), (16, 12757030), (20, 10205624), (22, 9277840), (26, 7850480), (32, 6378515), (40, 5102812), (44, 4638920), (52, 3925240), (55, 3711136), (65, 3140192), (80, 2551406), (88, 2319460), (104, 1962620), (110, 1855568), (121, 1686880), (130, 1570096), (143, 1427360), (160, 1275703), (176, 1159730), (208, 981310), (220, 927784), (242, 843440), (260, 785048), (286, 713680), (352, 579865), (416, 490655), (440, 463892), (484, 421720), (520, 392524), (572, 356840), (605, 337376), (715, 285472), (811, 251680), (880, 231946), (968, 210860), (1040, 196262), (1144, 178420), (1210, 168688), (1430, 142736), (1573, 129760), (1622, 125840), (1760, 115973), (1936, 105430), (2080, 98131), (2288, 89210), (2420, 84344), (2860, 71368), (3146, 64880), (3244, 62920), (3872, 52715), (4055, 50336), (4576, 44605), (4840, 42172), (5720, 35684), (6292, 32440), (6488, 31460), (7865, 25952), (8110, 25168), (8921, 22880), (9680, 21086), (10543, 19360), (11440, 17842), (12584, 16220), (12976, 15730)]