505133720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1901}}^1$

素因数の和:2005

約数の個数: 128

約数和(自身を含む): 1418739840

約数和(自身を除く): 913606120

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 73, 91, 104, 130, 140, 146, 182, 260, 280, 292, 364, 365, 455, 511, 520, 584, 728, 730, 910, 949, 1022, 1460, 1820, 1898, 1901, 2044, 2555, 2920, 3640, 3796, 3802, 4088, 4745, 5110, 6643, 7592, 7604, 9490, 9505, 10220, 13286, 13307, 15208, 18980, 19010, 20440, 24713, 26572, 26614, 33215, 37960, 38020, 49426, 53144, 53228, 66430, 66535, 76040, 98852, 106456, 123565, 132860, 133070, 138773, 172991, 197704, 247130, 265720, 266140, 277546, 345982, 494260, 532280, 555092, 691964, 693865, 864955, 971411, 988520, 1110184, 1383928, 1387730, 1729910, 1804049, 1942822, 2775460, 3459820, 3608098, 3885644, 4857055, 5550920, 6919640, 7216196, 7771288, 9020245, 9714110, 12628343, 14432392, 18040490, 19428220, 25256686, 36080980, 38856440, 50513372, 63141715, 72161960, 101026744, 126283430, 252566860, 505133720]

約数ペア:

[(1, 505133720), (2, 252566860), (4, 126283430), (5, 101026744), (7, 72161960), (8, 63141715), (10, 50513372), (13, 38856440), (14, 36080980), (20, 25256686), (26, 19428220), (28, 18040490), (35, 14432392), (40, 12628343), (52, 9714110), (56, 9020245), (65, 7771288), (70, 7216196), (73, 6919640), (91, 5550920), (104, 4857055), (130, 3885644), (140, 3608098), (146, 3459820), (182, 2775460), (260, 1942822), (280, 1804049), (292, 1729910), (364, 1387730), (365, 1383928), (455, 1110184), (511, 988520), (520, 971411), (584, 864955), (728, 693865), (730, 691964), (910, 555092), (949, 532280), (1022, 494260), (1460, 345982), (1820, 277546), (1898, 266140), (1901, 265720), (2044, 247130), (2555, 197704), (2920, 172991), (3640, 138773), (3796, 133070), (3802, 132860), (4088, 123565), (4745, 106456), (5110, 98852), (6643, 76040), (7592, 66535), (7604, 66430), (9490, 53228), (9505, 53144), (10220, 49426), (13286, 38020), (13307, 37960), (15208, 33215), (18980, 26614), (19010, 26572), (20440, 24713)]