277062760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{12391}}^1$

素因数の和:12458

約数の個数: 64

約数和(自身を含む): 687012480

約数和(自身を除く): 409949720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 43, 52, 65, 86, 104, 130, 172, 215, 260, 344, 430, 520, 559, 860, 1118, 1720, 2236, 2795, 4472, 5590, 11180, 12391, 22360, 24782, 49564, 61955, 99128, 123910, 161083, 247820, 322166, 495640, 532813, 644332, 805415, 1065626, 1288664, 1610830, 2131252, 2664065, 3221660, 4262504, 5328130, 6443320, 6926569, 10656260, 13853138, 21312520, 27706276, 34632845, 55412552, 69265690, 138531380, 277062760]

約数ペア:

[(1, 277062760), (2, 138531380), (4, 69265690), (5, 55412552), (8, 34632845), (10, 27706276), (13, 21312520), (20, 13853138), (26, 10656260), (40, 6926569), (43, 6443320), (52, 5328130), (65, 4262504), (86, 3221660), (104, 2664065), (130, 2131252), (172, 1610830), (215, 1288664), (260, 1065626), (344, 805415), (430, 644332), (520, 532813), (559, 495640), (860, 322166), (1118, 247820), (1720, 161083), (2236, 123910), (2795, 99128), (4472, 61955), (5590, 49564), (11180, 24782), (12391, 22360)]