13906060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1399}}^1$

素因数の和:1486

約数の個数: 48

約数和(自身を含む): 33868800

約数和(自身を除く): 19962740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1399, 1420, 1988, 2485, 2798, 4970, 5596, 6995, 9793, 9940, 13990, 19586, 27980, 39172, 48965, 97930, 99329, 195860, 198658, 397316, 496645, 695303, 993290, 1390606, 1986580, 2781212, 3476515, 6953030, 13906060]

約数ペア:

[(1, 13906060), (2, 6953030), (4, 3476515), (5, 2781212), (7, 1986580), (10, 1390606), (14, 993290), (20, 695303), (28, 496645), (35, 397316), (70, 198658), (71, 195860), (140, 99329), (142, 97930), (284, 48965), (355, 39172), (497, 27980), (710, 19586), (994, 13990), (1399, 9940), (1420, 9793), (1988, 6995), (2485, 5596), (2798, 4970)]