149212840

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{76129}}^1$

素因数の和:76154

約数の個数: 48

約数和(自身を含む): 390546900

約数和(自身を除く): 241334060

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 76129, 152258, 304516, 380645, 532903, 609032, 761290, 1065806, 1522580, 2131612, 2664515, 3045160, 3730321, 4263224, 5329030, 7460642, 10658060, 14921284, 18651605, 21316120, 29842568, 37303210, 74606420, 149212840]

約数ペア:

[(1, 149212840), (2, 74606420), (4, 37303210), (5, 29842568), (7, 21316120), (8, 18651605), (10, 14921284), (14, 10658060), (20, 7460642), (28, 5329030), (35, 4263224), (40, 3730321), (49, 3045160), (56, 2664515), (70, 2131612), (98, 1522580), (140, 1065806), (196, 761290), (245, 609032), (280, 532903), (392, 380645), (490, 304516), (980, 152258), (1960, 76129)]