251311100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{4561}}^1$

素因数の和:4623

約数の個数: 72

約数和(自身を含む): 593972400

約数和(自身を除く): 342661300

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 29, 38, 50, 58, 76, 95, 100, 116, 145, 190, 290, 380, 475, 551, 580, 725, 950, 1102, 1450, 1900, 2204, 2755, 2900, 4561, 5510, 9122, 11020, 13775, 18244, 22805, 27550, 45610, 55100, 86659, 91220, 114025, 132269, 173318, 228050, 264538, 346636, 433295, 456100, 529076, 661345, 866590, 1322690, 1733180, 2166475, 2513111, 2645380, 3306725, 4332950, 5026222, 6613450, 8665900, 10052444, 12565555, 13226900, 25131110, 50262220, 62827775, 125655550, 251311100]

約数ペア:

[(1, 251311100), (2, 125655550), (4, 62827775), (5, 50262220), (10, 25131110), (19, 13226900), (20, 12565555), (25, 10052444), (29, 8665900), (38, 6613450), (50, 5026222), (58, 4332950), (76, 3306725), (95, 2645380), (100, 2513111), (116, 2166475), (145, 1733180), (190, 1322690), (290, 866590), (380, 661345), (475, 529076), (551, 456100), (580, 433295), (725, 346636), (950, 264538), (1102, 228050), (1450, 173318), (1900, 132269), (2204, 114025), (2755, 91220), (2900, 86659), (4561, 55100), (5510, 45610), (9122, 27550), (11020, 22805), (13775, 18244)]