140903980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43759}}^1$

素因数の和:43798

約数の個数: 48

約数和(自身を含む): 352880640

約数和(自身を除く): 211976660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 43759, 87518, 175036, 218795, 306313, 437590, 612626, 875180, 1006457, 1225252, 1531565, 2012914, 3063130, 4025828, 5032285, 6126260, 7045199, 10064570, 14090398, 20129140, 28180796, 35225995, 70451990, 140903980]

約数ペア:

[(1, 140903980), (2, 70451990), (4, 35225995), (5, 28180796), (7, 20129140), (10, 14090398), (14, 10064570), (20, 7045199), (23, 6126260), (28, 5032285), (35, 4025828), (46, 3063130), (70, 2012914), (92, 1531565), (115, 1225252), (140, 1006457), (161, 875180), (230, 612626), (322, 437590), (460, 306313), (644, 218795), (805, 175036), (1610, 87518), (3220, 43759)]