402560028

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^2\times {\mathrm{127}}^1\times {\mathrm{521}}^1$

素因数の和:684

約数の個数: 108

約数和(自身を含む): 1112686848

約数和(自身を除く): 710126820

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 127, 156, 169, 234, 254, 338, 381, 468, 507, 508, 521, 676, 762, 1014, 1042, 1143, 1521, 1524, 1563, 1651, 2028, 2084, 2286, 3042, 3126, 3302, 4572, 4689, 4953, 6084, 6252, 6604, 6773, 9378, 9906, 13546, 14859, 18756, 19812, 20319, 21463, 27092, 29718, 40638, 42926, 59436, 60957, 64389, 66167, 81276, 85852, 88049, 121914, 128778, 132334, 176098, 193167, 198501, 243828, 257556, 264147, 264668, 352196, 386334, 397002, 528294, 595503, 772668, 792441, 794004, 860171, 1056588, 1191006, 1584882, 1720342, 2382012, 2580513, 3169764, 3440684, 5161026, 7741539, 10322052, 11182223, 15483078, 22364446, 30966156, 33546669, 44728892, 67093338, 100640007, 134186676, 201280014, 402560028]

約数ペア:

[(1, 402560028), (2, 201280014), (3, 134186676), (4, 100640007), (6, 67093338), (9, 44728892), (12, 33546669), (13, 30966156), (18, 22364446), (26, 15483078), (36, 11182223), (39, 10322052), (52, 7741539), (78, 5161026), (117, 3440684), (127, 3169764), (156, 2580513), (169, 2382012), (234, 1720342), (254, 1584882), (338, 1191006), (381, 1056588), (468, 860171), (507, 794004), (508, 792441), (521, 772668), (676, 595503), (762, 528294), (1014, 397002), (1042, 386334), (1143, 352196), (1521, 264668), (1524, 264147), (1563, 257556), (1651, 243828), (2028, 198501), (2084, 193167), (2286, 176098), (3042, 132334), (3126, 128778), (3302, 121914), (4572, 88049), (4689, 85852), (4953, 81276), (6084, 66167), (6252, 64389), (6604, 60957), (6773, 59436), (9378, 42926), (9906, 40638), (13546, 29718), (14859, 27092), (18756, 21463), (19812, 20319)]