3906420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:221

約数の個数: 96

約数和(自身を含む): 12773376

約数和(自身を除く): 8866956

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 71, 84, 105, 131, 140, 142, 210, 213, 262, 284, 355, 393, 420, 426, 497, 524, 655, 710, 786, 852, 917, 994, 1065, 1310, 1420, 1491, 1572, 1834, 1965, 1988, 2130, 2485, 2620, 2751, 2982, 3668, 3930, 4260, 4585, 4970, 5502, 5964, 7455, 7860, 9170, 9301, 9940, 11004, 13755, 14910, 18340, 18602, 27510, 27903, 29820, 37204, 46505, 55020, 55806, 65107, 93010, 111612, 130214, 139515, 186020, 195321, 260428, 279030, 325535, 390642, 558060, 651070, 781284, 976605, 1302140, 1953210, 3906420]

約数ペア:

[(1, 3906420), (2, 1953210), (3, 1302140), (4, 976605), (5, 781284), (6, 651070), (7, 558060), (10, 390642), (12, 325535), (14, 279030), (15, 260428), (20, 195321), (21, 186020), (28, 139515), (30, 130214), (35, 111612), (42, 93010), (60, 65107), (70, 55806), (71, 55020), (84, 46505), (105, 37204), (131, 29820), (140, 27903), (142, 27510), (210, 18602), (213, 18340), (262, 14910), (284, 13755), (355, 11004), (393, 9940), (420, 9301), (426, 9170), (497, 7860), (524, 7455), (655, 5964), (710, 5502), (786, 4970), (852, 4585), (917, 4260), (994, 3930), (1065, 3668), (1310, 2982), (1420, 2751), (1491, 2620), (1572, 2485), (1834, 2130), (1965, 1988)]