10855900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:235

約数の個数: 72

約数和(自身を含む): 26248320

約数和(自身を除く): 15392420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 71, 100, 110, 139, 142, 220, 275, 278, 284, 355, 550, 556, 695, 710, 781, 1100, 1390, 1420, 1529, 1562, 1775, 2780, 3058, 3124, 3475, 3550, 3905, 6116, 6950, 7100, 7645, 7810, 9869, 13900, 15290, 15620, 19525, 19738, 30580, 38225, 39050, 39476, 49345, 76450, 78100, 98690, 108559, 152900, 197380, 217118, 246725, 434236, 493450, 542795, 986900, 1085590, 2171180, 2713975, 5427950, 10855900]

約数ペア:

[(1, 10855900), (2, 5427950), (4, 2713975), (5, 2171180), (10, 1085590), (11, 986900), (20, 542795), (22, 493450), (25, 434236), (44, 246725), (50, 217118), (55, 197380), (71, 152900), (100, 108559), (110, 98690), (139, 78100), (142, 76450), (220, 49345), (275, 39476), (278, 39050), (284, 38225), (355, 30580), (550, 19738), (556, 19525), (695, 15620), (710, 15290), (781, 13900), (1100, 9869), (1390, 7810), (1420, 7645), (1529, 7100), (1562, 6950), (1775, 6116), (2780, 3905), (3058, 3550), (3124, 3475)]