778542700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{193}}^1$

素因数の和:356

約数の個数: 144

約数和(自身を含む): 1909565280

約数和(自身を除く): 1131022580

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 29, 50, 52, 58, 65, 100, 107, 116, 130, 145, 193, 214, 260, 290, 325, 377, 386, 428, 535, 580, 650, 725, 754, 772, 965, 1070, 1300, 1391, 1450, 1508, 1885, 1930, 2140, 2509, 2675, 2782, 2900, 3103, 3770, 3860, 4825, 5018, 5350, 5564, 5597, 6206, 6955, 7540, 9425, 9650, 10036, 10700, 11194, 12412, 12545, 13910, 15515, 18850, 19300, 20651, 22388, 25090, 27820, 27985, 31030, 34775, 37700, 40339, 41302, 50180, 55970, 62060, 62725, 69550, 72761, 77575, 80678, 82604, 103255, 111940, 125450, 139100, 139925, 145522, 155150, 161356, 201695, 206510, 250900, 268463, 279850, 291044, 310300, 363805, 403390, 413020, 516275, 536926, 559700, 598879, 727610, 806780, 1008475, 1032550, 1073852, 1197758, 1342315, 1455220, 1819025, 2016950, 2065100, 2395516, 2684630, 2994395, 3638050, 4033900, 5369260, 5988790, 6711575, 7276100, 7785427, 11977580, 13423150, 14971975, 15570854, 26846300, 29943950, 31141708, 38927135, 59887900, 77854270, 155708540, 194635675, 389271350, 778542700]

約数ペア:

[(1, 778542700), (2, 389271350), (4, 194635675), (5, 155708540), (10, 77854270), (13, 59887900), (20, 38927135), (25, 31141708), (26, 29943950), (29, 26846300), (50, 15570854), (52, 14971975), (58, 13423150), (65, 11977580), (100, 7785427), (107, 7276100), (116, 6711575), (130, 5988790), (145, 5369260), (193, 4033900), (214, 3638050), (260, 2994395), (290, 2684630), (325, 2395516), (377, 2065100), (386, 2016950), (428, 1819025), (535, 1455220), (580, 1342315), (650, 1197758), (725, 1073852), (754, 1032550), (772, 1008475), (965, 806780), (1070, 727610), (1300, 598879), (1391, 559700), (1450, 536926), (1508, 516275), (1885, 413020), (1930, 403390), (2140, 363805), (2509, 310300), (2675, 291044), (2782, 279850), (2900, 268463), (3103, 250900), (3770, 206510), (3860, 201695), (4825, 161356), (5018, 155150), (5350, 145522), (5564, 139925), (5597, 139100), (6206, 125450), (6955, 111940), (7540, 103255), (9425, 82604), (9650, 80678), (10036, 77575), (10700, 72761), (11194, 69550), (12412, 62725), (12545, 62060), (13910, 55970), (15515, 50180), (18850, 41302), (19300, 40339), (20651, 37700), (22388, 34775), (25090, 31030), (27820, 27985)]