990649744

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:305

約数の個数: 160

約数和(自身を含む): 2410560000

約数和(自身を除く): 1419910256

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 29, 46, 56, 58, 89, 92, 112, 116, 149, 161, 178, 184, 203, 232, 298, 322, 356, 368, 406, 464, 596, 623, 644, 667, 712, 812, 1043, 1192, 1246, 1288, 1334, 1424, 1624, 2047, 2086, 2384, 2492, 2576, 2581, 2668, 3248, 3427, 4094, 4172, 4321, 4669, 4984, 5162, 5336, 6854, 8188, 8344, 8642, 9338, 9968, 10324, 10672, 13261, 13708, 14329, 16376, 16688, 17284, 18067, 18676, 20648, 23989, 26522, 27416, 28658, 30247, 32752, 34568, 36134, 37352, 41296, 47978, 53044, 54832, 57316, 59363, 60494, 69136, 72268, 74704, 92827, 95956, 99383, 106088, 114632, 118726, 120988, 144536, 185654, 191912, 198766, 212176, 229264, 237452, 241976, 289072, 305003, 371308, 383824, 384569, 397532, 415541, 474904, 483952, 610006, 695681, 742616, 769138, 795064, 831082, 949808, 1220012, 1391362, 1485232, 1538276, 1590128, 1662164, 2135021, 2440024, 2691983, 2782724, 3076552, 3324328, 4270042, 4880048, 5383966, 5565448, 6153104, 6648656, 8540084, 8845087, 10767932, 11130896, 17080168, 17690174, 21535864, 34160336, 35380348, 43071728, 61915609, 70760696, 123831218, 141521392, 247662436, 495324872, 990649744]

約数ペア:

[(1, 990649744), (2, 495324872), (4, 247662436), (7, 141521392), (8, 123831218), (14, 70760696), (16, 61915609), (23, 43071728), (28, 35380348), (29, 34160336), (46, 21535864), (56, 17690174), (58, 17080168), (89, 11130896), (92, 10767932), (112, 8845087), (116, 8540084), (149, 6648656), (161, 6153104), (178, 5565448), (184, 5383966), (203, 4880048), (232, 4270042), (298, 3324328), (322, 3076552), (356, 2782724), (368, 2691983), (406, 2440024), (464, 2135021), (596, 1662164), (623, 1590128), (644, 1538276), (667, 1485232), (712, 1391362), (812, 1220012), (1043, 949808), (1192, 831082), (1246, 795064), (1288, 769138), (1334, 742616), (1424, 695681), (1624, 610006), (2047, 483952), (2086, 474904), (2384, 415541), (2492, 397532), (2576, 384569), (2581, 383824), (2668, 371308), (3248, 305003), (3427, 289072), (4094, 241976), (4172, 237452), (4321, 229264), (4669, 212176), (4984, 198766), (5162, 191912), (5336, 185654), (6854, 144536), (8188, 120988), (8344, 118726), (8642, 114632), (9338, 106088), (9968, 99383), (10324, 95956), (10672, 92827), (13261, 74704), (13708, 72268), (14329, 69136), (16376, 60494), (16688, 59363), (17284, 57316), (18067, 54832), (18676, 53044), (20648, 47978), (23989, 41296), (26522, 37352), (27416, 36134), (28658, 34568), (30247, 32752)]