27421940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:122

約数の個数: 144

約数和(自身を含む): 76245120

約数和(自身を除く): 48823180

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 26, 28, 35, 38, 52, 61, 65, 70, 76, 91, 95, 122, 130, 133, 140, 169, 182, 190, 244, 247, 260, 266, 305, 338, 364, 380, 427, 455, 494, 532, 610, 665, 676, 793, 845, 854, 910, 988, 1159, 1183, 1220, 1235, 1330, 1586, 1690, 1708, 1729, 1820, 2135, 2318, 2366, 2470, 2660, 3172, 3211, 3380, 3458, 3965, 4270, 4636, 4732, 4940, 5551, 5795, 5915, 6422, 6916, 7930, 8113, 8540, 8645, 10309, 11102, 11590, 11830, 12844, 15067, 15860, 16055, 16226, 17290, 20618, 22204, 22477, 23180, 23660, 27755, 30134, 32110, 32452, 34580, 40565, 41236, 44954, 51545, 55510, 60268, 64220, 72163, 75335, 81130, 89908, 103090, 105469, 111020, 112385, 144326, 150670, 162260, 195871, 206180, 210938, 224770, 288652, 301340, 360815, 391742, 421876, 449540, 527345, 721630, 783484, 979355, 1054690, 1371097, 1443260, 1958710, 2109380, 2742194, 3917420, 5484388, 6855485, 13710970, 27421940]

約数ペア:

[(1, 27421940), (2, 13710970), (4, 6855485), (5, 5484388), (7, 3917420), (10, 2742194), (13, 2109380), (14, 1958710), (19, 1443260), (20, 1371097), (26, 1054690), (28, 979355), (35, 783484), (38, 721630), (52, 527345), (61, 449540), (65, 421876), (70, 391742), (76, 360815), (91, 301340), (95, 288652), (122, 224770), (130, 210938), (133, 206180), (140, 195871), (169, 162260), (182, 150670), (190, 144326), (244, 112385), (247, 111020), (260, 105469), (266, 103090), (305, 89908), (338, 81130), (364, 75335), (380, 72163), (427, 64220), (455, 60268), (494, 55510), (532, 51545), (610, 44954), (665, 41236), (676, 40565), (793, 34580), (845, 32452), (854, 32110), (910, 30134), (988, 27755), (1159, 23660), (1183, 23180), (1220, 22477), (1235, 22204), (1330, 20618), (1586, 17290), (1690, 16226), (1708, 16055), (1729, 15860), (1820, 15067), (2135, 12844), (2318, 11830), (2366, 11590), (2470, 11102), (2660, 10309), (3172, 8645), (3211, 8540), (3380, 8113), (3458, 7930), (3965, 6916), (4270, 6422), (4636, 5915), (4732, 5795), (4940, 5551)]