1948240

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{71}}^1$

素因数の和:105

約数の個数: 80

約数和(自身を含む): 5356800

約数和(自身を除く): 3408560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 71, 80, 98, 112, 140, 142, 196, 245, 280, 284, 343, 355, 392, 490, 497, 560, 568, 686, 710, 784, 980, 994, 1136, 1372, 1420, 1715, 1960, 1988, 2485, 2744, 2840, 3430, 3479, 3920, 3976, 4970, 5488, 5680, 6860, 6958, 7952, 9940, 13720, 13916, 17395, 19880, 24353, 27440, 27832, 34790, 39760, 48706, 55664, 69580, 97412, 121765, 139160, 194824, 243530, 278320, 389648, 487060, 974120, 1948240]

約数ペア:

[(1, 1948240), (2, 974120), (4, 487060), (5, 389648), (7, 278320), (8, 243530), (10, 194824), (14, 139160), (16, 121765), (20, 97412), (28, 69580), (35, 55664), (40, 48706), (49, 39760), (56, 34790), (70, 27832), (71, 27440), (80, 24353), (98, 19880), (112, 17395), (140, 13916), (142, 13720), (196, 9940), (245, 7952), (280, 6958), (284, 6860), (343, 5680), (355, 5488), (392, 4970), (490, 3976), (497, 3920), (560, 3479), (568, 3430), (686, 2840), (710, 2744), (784, 2485), (980, 1988), (994, 1960), (1136, 1715), (1372, 1420)]