171949700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{4561}}^1$

素因数の和:4617

約数の個数: 72

約数和(自身を含む): 415780680

約数和(自身を除く): 243830980

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 29, 50, 52, 58, 65, 100, 116, 130, 145, 260, 290, 325, 377, 580, 650, 725, 754, 1300, 1450, 1508, 1885, 2900, 3770, 4561, 7540, 9122, 9425, 18244, 18850, 22805, 37700, 45610, 59293, 91220, 114025, 118586, 132269, 228050, 237172, 264538, 296465, 456100, 529076, 592930, 661345, 1185860, 1322690, 1482325, 1719497, 2645380, 2964650, 3306725, 3438994, 5929300, 6613450, 6877988, 8597485, 13226900, 17194970, 34389940, 42987425, 85974850, 171949700]

約数ペア:

[(1, 171949700), (2, 85974850), (4, 42987425), (5, 34389940), (10, 17194970), (13, 13226900), (20, 8597485), (25, 6877988), (26, 6613450), (29, 5929300), (50, 3438994), (52, 3306725), (58, 2964650), (65, 2645380), (100, 1719497), (116, 1482325), (130, 1322690), (145, 1185860), (260, 661345), (290, 592930), (325, 529076), (377, 456100), (580, 296465), (650, 264538), (725, 237172), (754, 228050), (1300, 132269), (1450, 118586), (1508, 114025), (1885, 91220), (2900, 59293), (3770, 45610), (4561, 37700), (7540, 22805), (9122, 18850), (9425, 18244)]