139132520

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{3517}}^1$

素因数の和:3594

約数の個数: 64

約数和(自身を含む): 334350720

約数和(自身を除く): 195218200

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 43, 46, 86, 92, 115, 172, 184, 215, 230, 344, 430, 460, 860, 920, 989, 1720, 1978, 3517, 3956, 4945, 7034, 7912, 9890, 14068, 17585, 19780, 28136, 35170, 39560, 70340, 80891, 140680, 151231, 161782, 302462, 323564, 404455, 604924, 647128, 756155, 808910, 1209848, 1512310, 1617820, 3024620, 3235640, 3478313, 6049240, 6956626, 13913252, 17391565, 27826504, 34783130, 69566260, 139132520]

約数ペア:

[(1, 139132520), (2, 69566260), (4, 34783130), (5, 27826504), (8, 17391565), (10, 13913252), (20, 6956626), (23, 6049240), (40, 3478313), (43, 3235640), (46, 3024620), (86, 1617820), (92, 1512310), (115, 1209848), (172, 808910), (184, 756155), (215, 647128), (230, 604924), (344, 404455), (430, 323564), (460, 302462), (860, 161782), (920, 151231), (989, 140680), (1720, 80891), (1978, 70340), (3517, 39560), (3956, 35170), (4945, 28136), (7034, 19780), (7912, 17585), (9890, 14068)]