827307620

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{9551}}^1$

素因数の和:9692

約数の個数: 48

約数和(自身を含む): 1790885376

約数和(自身を除く): 963577756

約数列:

[1, 2, 4, 5, 10, 20, 61, 71, 122, 142, 244, 284, 305, 355, 610, 710, 1220, 1420, 4331, 8662, 9551, 17324, 19102, 21655, 38204, 43310, 47755, 86620, 95510, 191020, 582611, 678121, 1165222, 1356242, 2330444, 2712484, 2913055, 3390605, 5826110, 6781210, 11652220, 13562420, 41365381, 82730762, 165461524, 206826905, 413653810, 827307620]

約数ペア:

[(1, 827307620), (2, 413653810), (4, 206826905), (5, 165461524), (10, 82730762), (20, 41365381), (61, 13562420), (71, 11652220), (122, 6781210), (142, 5826110), (244, 3390605), (284, 2913055), (305, 2712484), (355, 2330444), (610, 1356242), (710, 1165222), (1220, 678121), (1420, 582611), (4331, 191020), (8662, 95510), (9551, 86620), (17324, 47755), (19102, 43310), (21655, 38204)]