219879972

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{953}}^1$

素因数の和:1022

約数の個数: 144

約数和(自身を含む): 656313840

約数和(自身を除く): 436433868

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 29, 34, 36, 39, 51, 52, 58, 68, 78, 87, 102, 116, 117, 153, 156, 174, 204, 221, 234, 261, 306, 348, 377, 442, 468, 493, 522, 612, 663, 754, 884, 953, 986, 1044, 1131, 1326, 1479, 1508, 1906, 1972, 1989, 2262, 2652, 2859, 2958, 3393, 3812, 3978, 4437, 4524, 5718, 5916, 6409, 6786, 7956, 8577, 8874, 11436, 12389, 12818, 13572, 16201, 17154, 17748, 19227, 24778, 25636, 27637, 32402, 34308, 37167, 38454, 48603, 49556, 55274, 57681, 64804, 74334, 76908, 82911, 97206, 110548, 111501, 115362, 145809, 148668, 165822, 194412, 210613, 223002, 230724, 248733, 291618, 331644, 359281, 421226, 446004, 469829, 497466, 583236, 631839, 718562, 842452, 939658, 994932, 1077843, 1263678, 1409487, 1437124, 1879316, 1895517, 2155686, 2527356, 2818974, 3233529, 3791034, 4228461, 4311372, 5637948, 6107777, 6467058, 7582068, 8456922, 12215554, 12934116, 16913844, 18323331, 24431108, 36646662, 54969993, 73293324, 109939986, 219879972]

約数ペア:

[(1, 219879972), (2, 109939986), (3, 73293324), (4, 54969993), (6, 36646662), (9, 24431108), (12, 18323331), (13, 16913844), (17, 12934116), (18, 12215554), (26, 8456922), (29, 7582068), (34, 6467058), (36, 6107777), (39, 5637948), (51, 4311372), (52, 4228461), (58, 3791034), (68, 3233529), (78, 2818974), (87, 2527356), (102, 2155686), (116, 1895517), (117, 1879316), (153, 1437124), (156, 1409487), (174, 1263678), (204, 1077843), (221, 994932), (234, 939658), (261, 842452), (306, 718562), (348, 631839), (377, 583236), (442, 497466), (468, 469829), (493, 446004), (522, 421226), (612, 359281), (663, 331644), (754, 291618), (884, 248733), (953, 230724), (986, 223002), (1044, 210613), (1131, 194412), (1326, 165822), (1479, 148668), (1508, 145809), (1906, 115362), (1972, 111501), (1989, 110548), (2262, 97206), (2652, 82911), (2859, 76908), (2958, 74334), (3393, 64804), (3812, 57681), (3978, 55274), (4437, 49556), (4524, 48603), (5718, 38454), (5916, 37167), (6409, 34308), (6786, 32402), (7956, 27637), (8577, 25636), (8874, 24778), (11436, 19227), (12389, 17748), (12818, 17154), (13572, 16201)]