27720383075

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{227}}^1$

素因数の和:418

約数の個数: 144

約数和(自身を含む): 44520483840

約数和(自身を除く): 16800100765

約数列:

[1, 5, 7, 11, 25, 35, 55, 73, 77, 79, 121, 175, 227, 275, 365, 385, 395, 511, 553, 605, 803, 847, 869, 1135, 1589, 1825, 1925, 1975, 2497, 2555, 2765, 3025, 4015, 4235, 4345, 5621, 5675, 5767, 6083, 7945, 8833, 9559, 12485, 12775, 13825, 16571, 17479, 17933, 20075, 21175, 21725, 27467, 28105, 28835, 30415, 39725, 40369, 44165, 47795, 61831, 62425, 63437, 66913, 82855, 87395, 89665, 115997, 125531, 137335, 140525, 144175, 152075, 182281, 192269, 197263, 201845, 220825, 238975, 309155, 317185, 334565, 414275, 436975, 444059, 448325, 579985, 627655, 686675, 697807, 911405, 961345, 986315, 1009225, 1275967, 1309109, 1380841, 1545775, 1585925, 1672825, 2005091, 2169893, 2220295, 2899925, 3138275, 3489035, 4557025, 4806725, 4884649, 4931575, 6379835, 6545545, 6904205, 9163763, 10025455, 10849465, 11101475, 14035637, 14400199, 15189251, 17445175, 24423245, 31899175, 32727725, 34521025, 45818815, 50127275, 54247325, 70178185, 72000995, 75946255, 100801393, 122116225, 158402189, 229094075, 350890925, 360004975, 379731275, 504006965, 792010945, 1108815323, 2520034825, 3960054725, 5544076615, 27720383075]

約数ペア:

[(1, 27720383075), (5, 5544076615), (7, 3960054725), (11, 2520034825), (25, 1108815323), (35, 792010945), (55, 504006965), (73, 379731275), (77, 360004975), (79, 350890925), (121, 229094075), (175, 158402189), (227, 122116225), (275, 100801393), (365, 75946255), (385, 72000995), (395, 70178185), (511, 54247325), (553, 50127275), (605, 45818815), (803, 34521025), (847, 32727725), (869, 31899175), (1135, 24423245), (1589, 17445175), (1825, 15189251), (1925, 14400199), (1975, 14035637), (2497, 11101475), (2555, 10849465), (2765, 10025455), (3025, 9163763), (4015, 6904205), (4235, 6545545), (4345, 6379835), (5621, 4931575), (5675, 4884649), (5767, 4806725), (6083, 4557025), (7945, 3489035), (8833, 3138275), (9559, 2899925), (12485, 2220295), (12775, 2169893), (13825, 2005091), (16571, 1672825), (17479, 1585925), (17933, 1545775), (20075, 1380841), (21175, 1309109), (21725, 1275967), (27467, 1009225), (28105, 986315), (28835, 961345), (30415, 911405), (39725, 697807), (40369, 686675), (44165, 627655), (47795, 579985), (61831, 448325), (62425, 444059), (63437, 436975), (66913, 414275), (82855, 334565), (87395, 317185), (89665, 309155), (115997, 238975), (125531, 220825), (137335, 201845), (140525, 197263), (144175, 192269), (152075, 182281)]