3409420

素因数分解:

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

素因数の和:108

約数の個数: 60

約数和(自身を含む): 8470224

約数和(自身を除く): 5060804

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 71, 98, 140, 142, 196, 245, 284, 343, 355, 490, 497, 686, 710, 980, 994, 1372, 1420, 1715, 1988, 2401, 2485, 3430, 3479, 4802, 4970, 6860, 6958, 9604, 9940, 12005, 13916, 17395, 24010, 24353, 34790, 48020, 48706, 69580, 97412, 121765, 170471, 243530, 340942, 487060, 681884, 852355, 1704710, 3409420]

約数ペア:

[(1, 3409420), (2, 1704710), (4, 852355), (5, 681884), (7, 487060), (10, 340942), (14, 243530), (20, 170471), (28, 121765), (35, 97412), (49, 69580), (70, 48706), (71, 48020), (98, 34790), (140, 24353), (142, 24010), (196, 17395), (245, 13916), (284, 12005), (343, 9940), (355, 9604), (490, 6958), (497, 6860), (686, 4970), (710, 4802), (980, 3479), (994, 3430), (1372, 2485), (1420, 2401), (1715, 1988)]