520001900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{16301}}^1$

素因数の和:16355

約数の個数: 72

約数和(自身を含む): 1273512240

約数和(自身を除く): 753510340

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 29, 44, 50, 55, 58, 100, 110, 116, 145, 220, 275, 290, 319, 550, 580, 638, 725, 1100, 1276, 1450, 1595, 2900, 3190, 6380, 7975, 15950, 16301, 31900, 32602, 65204, 81505, 163010, 179311, 326020, 358622, 407525, 472729, 717244, 815050, 896555, 945458, 1630100, 1793110, 1890916, 2363645, 3586220, 4482775, 4727290, 5200019, 8965550, 9454580, 10400038, 11818225, 17931100, 20800076, 23636450, 26000095, 47272900, 52000190, 104000380, 130000475, 260000950, 520001900]

約数ペア:

[(1, 520001900), (2, 260000950), (4, 130000475), (5, 104000380), (10, 52000190), (11, 47272900), (20, 26000095), (22, 23636450), (25, 20800076), (29, 17931100), (44, 11818225), (50, 10400038), (55, 9454580), (58, 8965550), (100, 5200019), (110, 4727290), (116, 4482775), (145, 3586220), (220, 2363645), (275, 1890916), (290, 1793110), (319, 1630100), (550, 945458), (580, 896555), (638, 815050), (725, 717244), (1100, 472729), (1276, 407525), (1450, 358622), (1595, 326020), (2900, 179311), (3190, 163010), (6380, 81505), (7975, 65204), (15950, 32602), (16301, 31900)]