201120140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{157}}^1\times {\mathrm{379}}^1$

素因数の和:571

約数の個数: 72

約数和(自身を含む): 461467440

約数和(自身を除く): 260347300

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 157, 169, 260, 314, 338, 379, 628, 676, 758, 785, 845, 1516, 1570, 1690, 1895, 2041, 3140, 3380, 3790, 4082, 4927, 7580, 8164, 9854, 10205, 19708, 20410, 24635, 26533, 40820, 49270, 53066, 59503, 64051, 98540, 106132, 119006, 128102, 132665, 238012, 256204, 265330, 297515, 320255, 530660, 595030, 640510, 773539, 1190060, 1281020, 1547078, 3094156, 3867695, 7735390, 10056007, 15470780, 20112014, 40224028, 50280035, 100560070, 201120140]

約数ペア:

[(1, 201120140), (2, 100560070), (4, 50280035), (5, 40224028), (10, 20112014), (13, 15470780), (20, 10056007), (26, 7735390), (52, 3867695), (65, 3094156), (130, 1547078), (157, 1281020), (169, 1190060), (260, 773539), (314, 640510), (338, 595030), (379, 530660), (628, 320255), (676, 297515), (758, 265330), (785, 256204), (845, 238012), (1516, 132665), (1570, 128102), (1690, 119006), (1895, 106132), (2041, 98540), (3140, 64051), (3380, 59503), (3790, 53066), (4082, 49270), (4927, 40820), (7580, 26533), (8164, 24635), (9854, 20410), (10205, 19708)]