91037620

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{1051}}^1$

素因数の和:1192

約数の個数: 48

約数和(自身を含む): 197237376

約数和(自身を除く): 106199756

約数列:

[1, 2, 4, 5, 10, 20, 61, 71, 122, 142, 244, 284, 305, 355, 610, 710, 1051, 1220, 1420, 2102, 4204, 4331, 5255, 8662, 10510, 17324, 21020, 21655, 43310, 64111, 74621, 86620, 128222, 149242, 256444, 298484, 320555, 373105, 641110, 746210, 1282220, 1492420, 4551881, 9103762, 18207524, 22759405, 45518810, 91037620]

約数ペア:

[(1, 91037620), (2, 45518810), (4, 22759405), (5, 18207524), (10, 9103762), (20, 4551881), (61, 1492420), (71, 1282220), (122, 746210), (142, 641110), (244, 373105), (284, 320555), (305, 298484), (355, 256444), (610, 149242), (710, 128222), (1051, 86620), (1220, 74621), (1420, 64111), (2102, 43310), (4204, 21655), (4331, 21020), (5255, 17324), (8662, 10510)]