17899840

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:216

約数の個数: 112

約数和(自身を含む): 49889664

約数和(自身を除く): 31989824

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 61, 64, 70, 80, 112, 122, 131, 140, 160, 224, 244, 262, 280, 305, 320, 427, 448, 488, 524, 560, 610, 655, 854, 917, 976, 1048, 1120, 1220, 1310, 1708, 1834, 1952, 2096, 2135, 2240, 2440, 2620, 3416, 3668, 3904, 4192, 4270, 4585, 4880, 5240, 6832, 7336, 7991, 8384, 8540, 9170, 9760, 10480, 13664, 14672, 15982, 17080, 18340, 19520, 20960, 27328, 29344, 31964, 34160, 36680, 39955, 41920, 55937, 58688, 63928, 68320, 73360, 79910, 111874, 127856, 136640, 146720, 159820, 223748, 255712, 279685, 293440, 319640, 447496, 511424, 559370, 639280, 894992, 1118740, 1278560, 1789984, 2237480, 2557120, 3579968, 4474960, 8949920, 17899840]

約数ペア:

[(1, 17899840), (2, 8949920), (4, 4474960), (5, 3579968), (7, 2557120), (8, 2237480), (10, 1789984), (14, 1278560), (16, 1118740), (20, 894992), (28, 639280), (32, 559370), (35, 511424), (40, 447496), (56, 319640), (61, 293440), (64, 279685), (70, 255712), (80, 223748), (112, 159820), (122, 146720), (131, 136640), (140, 127856), (160, 111874), (224, 79910), (244, 73360), (262, 68320), (280, 63928), (305, 58688), (320, 55937), (427, 41920), (448, 39955), (488, 36680), (524, 34160), (560, 31964), (610, 29344), (655, 27328), (854, 20960), (917, 19520), (976, 18340), (1048, 17080), (1120, 15982), (1220, 14672), (1310, 13664), (1708, 10480), (1834, 9760), (1952, 9170), (2096, 8540), (2135, 8384), (2240, 7991), (2440, 7336), (2620, 6832), (3416, 5240), (3668, 4880), (3904, 4585), (4192, 4270)]