21787703050

素因数分解:

$2^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{181}}^2\times {\mathrm{283}}^1$

素因数の和:704

約数の個数: 72

約数和(自身を含む): 41764344768

約数和(自身を除く): 19976641718

約数列:

[1, 2, 5, 10, 25, 47, 50, 94, 181, 235, 283, 362, 470, 566, 905, 1175, 1415, 1810, 2350, 2830, 4525, 7075, 8507, 9050, 13301, 14150, 17014, 26602, 32761, 42535, 51223, 65522, 66505, 85070, 102446, 133010, 163805, 212675, 256115, 327610, 332525, 425350, 512230, 665050, 819025, 1280575, 1539767, 1638050, 2407481, 2561150, 3079534, 4814962, 7698835, 9271363, 12037405, 15397670, 18542726, 24074810, 38494175, 46356815, 60187025, 76988350, 92713630, 120374050, 231784075, 435754061, 463568150, 871508122, 2178770305, 4357540610, 10893851525, 21787703050]

約数ペア:

[(1, 21787703050), (2, 10893851525), (5, 4357540610), (10, 2178770305), (25, 871508122), (47, 463568150), (50, 435754061), (94, 231784075), (181, 120374050), (235, 92713630), (283, 76988350), (362, 60187025), (470, 46356815), (566, 38494175), (905, 24074810), (1175, 18542726), (1415, 15397670), (1810, 12037405), (2350, 9271363), (2830, 7698835), (4525, 4814962), (7075, 3079534), (8507, 2561150), (9050, 2407481), (13301, 1638050), (14150, 1539767), (17014, 1280575), (26602, 819025), (32761, 665050), (42535, 512230), (51223, 425350), (65522, 332525), (66505, 327610), (85070, 256115), (102446, 212675), (133010, 163805)]