251019380

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{1933}}^1$

素因数の和:2136

約数の個数: 48

約数和(自身を含む): 543252864

約数和(自身を除く): 292233484

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 151, 172, 215, 302, 430, 604, 755, 860, 1510, 1933, 3020, 3866, 6493, 7732, 9665, 12986, 19330, 25972, 32465, 38660, 64930, 83119, 129860, 166238, 291883, 332476, 415595, 583766, 831190, 1167532, 1459415, 1662380, 2918830, 5837660, 12550969, 25101938, 50203876, 62754845, 125509690, 251019380]

約数ペア:

[(1, 251019380), (2, 125509690), (4, 62754845), (5, 50203876), (10, 25101938), (20, 12550969), (43, 5837660), (86, 2918830), (151, 1662380), (172, 1459415), (215, 1167532), (302, 831190), (430, 583766), (604, 415595), (755, 332476), (860, 291883), (1510, 166238), (1933, 129860), (3020, 83119), (3866, 64930), (6493, 38660), (7732, 32465), (9665, 25972), (12986, 19330)]