428365840

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{67}}^1\times {\mathrm{233}}^1$

素因数の和:334

約数の個数: 160

約数和(自身を含む): 1183852800

約数和(自身を除く): 755486960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 67, 70, 80, 98, 112, 134, 140, 196, 233, 245, 268, 280, 335, 343, 392, 466, 469, 490, 536, 560, 670, 686, 784, 932, 938, 980, 1072, 1165, 1340, 1372, 1631, 1715, 1864, 1876, 1960, 2330, 2345, 2680, 2744, 3262, 3283, 3430, 3728, 3752, 3920, 4660, 4690, 5360, 5488, 6524, 6566, 6860, 7504, 8155, 9320, 9380, 11417, 13048, 13132, 13720, 15611, 16310, 16415, 18640, 18760, 22834, 22981, 26096, 26264, 27440, 31222, 32620, 32830, 37520, 45668, 45962, 52528, 57085, 62444, 65240, 65660, 78055, 79919, 91336, 91924, 109277, 114170, 114905, 124888, 130480, 131320, 156110, 159838, 182672, 183848, 218554, 228340, 229810, 249776, 262640, 312220, 319676, 367696, 399595, 437108, 456680, 459620, 546385, 624440, 639352, 764939, 799190, 874216, 913360, 919240, 1092770, 1248880, 1278704, 1529878, 1598380, 1748432, 1838480, 2185540, 3059756, 3196760, 3824695, 4371080, 5354573, 6119512, 6393520, 7649390, 8742160, 10709146, 12239024, 15298780, 21418292, 26772865, 30597560, 42836584, 53545730, 61195120, 85673168, 107091460, 214182920, 428365840]

約数ペア:

[(1, 428365840), (2, 214182920), (4, 107091460), (5, 85673168), (7, 61195120), (8, 53545730), (10, 42836584), (14, 30597560), (16, 26772865), (20, 21418292), (28, 15298780), (35, 12239024), (40, 10709146), (49, 8742160), (56, 7649390), (67, 6393520), (70, 6119512), (80, 5354573), (98, 4371080), (112, 3824695), (134, 3196760), (140, 3059756), (196, 2185540), (233, 1838480), (245, 1748432), (268, 1598380), (280, 1529878), (335, 1278704), (343, 1248880), (392, 1092770), (466, 919240), (469, 913360), (490, 874216), (536, 799190), (560, 764939), (670, 639352), (686, 624440), (784, 546385), (932, 459620), (938, 456680), (980, 437108), (1072, 399595), (1165, 367696), (1340, 319676), (1372, 312220), (1631, 262640), (1715, 249776), (1864, 229810), (1876, 228340), (1960, 218554), (2330, 183848), (2345, 182672), (2680, 159838), (2744, 156110), (3262, 131320), (3283, 130480), (3430, 124888), (3728, 114905), (3752, 114170), (3920, 109277), (4660, 91924), (4690, 91336), (5360, 79919), (5488, 78055), (6524, 65660), (6566, 65240), (6860, 62444), (7504, 57085), (8155, 52528), (9320, 45962), (9380, 45668), (11417, 37520), (13048, 32830), (13132, 32620), (13720, 31222), (15611, 27440), (16310, 26264), (16415, 26096), (18640, 22981), (18760, 22834)]