70248820

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{811}}^1$

素因数の和:952

約数の個数: 48

約数和(自身を含む): 152240256

約数和(自身を除く): 81991436

約数列:

[1, 2, 4, 5, 10, 20, 61, 71, 122, 142, 244, 284, 305, 355, 610, 710, 811, 1220, 1420, 1622, 3244, 4055, 4331, 8110, 8662, 16220, 17324, 21655, 43310, 49471, 57581, 86620, 98942, 115162, 197884, 230324, 247355, 287905, 494710, 575810, 989420, 1151620, 3512441, 7024882, 14049764, 17562205, 35124410, 70248820]

約数ペア:

[(1, 70248820), (2, 35124410), (4, 17562205), (5, 14049764), (10, 7024882), (20, 3512441), (61, 1151620), (71, 989420), (122, 575810), (142, 494710), (244, 287905), (284, 247355), (305, 230324), (355, 197884), (610, 115162), (710, 98942), (811, 86620), (1220, 57581), (1420, 49471), (1622, 43310), (3244, 21655), (4055, 17324), (4331, 16220), (8110, 8662)]