487060

素因数分解:

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

素因数の和:101

約数の個数: 48

約数和(自身を含む): 1209600

約数和(自身を除く): 722540

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, 2485, 3430, 3479, 4970, 6860, 6958, 9940, 13916, 17395, 24353, 34790, 48706, 69580, 97412, 121765, 243530, 487060]

約数ペア:

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