970996900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{6469}}^1$

素因数の和:6581

約数の個数: 72

約数和(自身を含む): 2246384000

約数和(自身を除く): 1275387100

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 79, 95, 100, 158, 190, 316, 380, 395, 475, 790, 950, 1501, 1580, 1900, 1975, 3002, 3950, 6004, 6469, 7505, 7900, 12938, 15010, 25876, 30020, 32345, 37525, 64690, 75050, 122911, 129380, 150100, 161725, 245822, 323450, 491644, 511051, 614555, 646900, 1022102, 1229110, 2044204, 2458220, 2555255, 3072775, 5110510, 6145550, 9709969, 10221020, 12291100, 12776275, 19419938, 25552550, 38839876, 48549845, 51105100, 97099690, 194199380, 242749225, 485498450, 970996900]

約数ペア:

[(1, 970996900), (2, 485498450), (4, 242749225), (5, 194199380), (10, 97099690), (19, 51105100), (20, 48549845), (25, 38839876), (38, 25552550), (50, 19419938), (76, 12776275), (79, 12291100), (95, 10221020), (100, 9709969), (158, 6145550), (190, 5110510), (316, 3072775), (380, 2555255), (395, 2458220), (475, 2044204), (790, 1229110), (950, 1022102), (1501, 646900), (1580, 614555), (1900, 511051), (1975, 491644), (3002, 323450), (3950, 245822), (6004, 161725), (6469, 150100), (7505, 129380), (7900, 122911), (12938, 75050), (15010, 64690), (25876, 37525), (30020, 32345)]