76208140

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{347}}^1$

素因数の和:574

約数の個数: 48

約数和(自身を含む): 163699200

約数和(自身を除く): 87491060

約数列:

[1, 2, 4, 5, 10, 20, 79, 139, 158, 278, 316, 347, 395, 556, 694, 695, 790, 1388, 1390, 1580, 1735, 2780, 3470, 6940, 10981, 21962, 27413, 43924, 48233, 54826, 54905, 96466, 109652, 109810, 137065, 192932, 219620, 241165, 274130, 482330, 548260, 964660, 3810407, 7620814, 15241628, 19052035, 38104070, 76208140]

約数ペア:

[(1, 76208140), (2, 38104070), (4, 19052035), (5, 15241628), (10, 7620814), (20, 3810407), (79, 964660), (139, 548260), (158, 482330), (278, 274130), (316, 241165), (347, 219620), (395, 192932), (556, 137065), (694, 109810), (695, 109652), (790, 96466), (1388, 54905), (1390, 54826), (1580, 48233), (1735, 43924), (2780, 27413), (3470, 21962), (6940, 10981)]