278997768

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{2551}}^1$

素因数の和:2608

約数の個数: 144

約数和(自身を含む): 907695360

約数和(自身を除く): 628697592

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 31, 36, 42, 49, 56, 62, 63, 72, 84, 93, 98, 124, 126, 147, 168, 186, 196, 217, 248, 252, 279, 294, 372, 392, 434, 441, 504, 558, 588, 651, 744, 868, 882, 1116, 1176, 1302, 1519, 1736, 1764, 1953, 2232, 2551, 2604, 3038, 3528, 3906, 4557, 5102, 5208, 6076, 7653, 7812, 9114, 10204, 12152, 13671, 15306, 15624, 17857, 18228, 20408, 22959, 27342, 30612, 35714, 36456, 45918, 53571, 54684, 61224, 71428, 79081, 91836, 107142, 109368, 124999, 142856, 158162, 160713, 183672, 214284, 237243, 249998, 316324, 321426, 374997, 428568, 474486, 499996, 553567, 632648, 642852, 711729, 749994, 948972, 999992, 1107134, 1124991, 1285704, 1423458, 1499988, 1660701, 1897944, 2214268, 2249982, 2846916, 2999976, 3321402, 3874969, 4428536, 4499964, 4982103, 5693832, 6642804, 7749938, 8999928, 9964206, 11624907, 13285608, 15499876, 19928412, 23249814, 30999752, 34874721, 39856824, 46499628, 69749442, 92999256, 139498884, 278997768]

約数ペア:

[(1, 278997768), (2, 139498884), (3, 92999256), (4, 69749442), (6, 46499628), (7, 39856824), (8, 34874721), (9, 30999752), (12, 23249814), (14, 19928412), (18, 15499876), (21, 13285608), (24, 11624907), (28, 9964206), (31, 8999928), (36, 7749938), (42, 6642804), (49, 5693832), (56, 4982103), (62, 4499964), (63, 4428536), (72, 3874969), (84, 3321402), (93, 2999976), (98, 2846916), (124, 2249982), (126, 2214268), (147, 1897944), (168, 1660701), (186, 1499988), (196, 1423458), (217, 1285704), (248, 1124991), (252, 1107134), (279, 999992), (294, 948972), (372, 749994), (392, 711729), (434, 642852), (441, 632648), (504, 553567), (558, 499996), (588, 474486), (651, 428568), (744, 374997), (868, 321426), (882, 316324), (1116, 249998), (1176, 237243), (1302, 214284), (1519, 183672), (1736, 160713), (1764, 158162), (1953, 142856), (2232, 124999), (2551, 109368), (2604, 107142), (3038, 91836), (3528, 79081), (3906, 71428), (4557, 61224), (5102, 54684), (5208, 53571), (6076, 45918), (7653, 36456), (7812, 35714), (9114, 30612), (10204, 27342), (12152, 22959), (13671, 20408), (15306, 18228), (15624, 17857)]