201554090

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1$

素因数の和:387

約数の個数: 64

約数和(自身を含む): 394813440

約数和(自身を除く): 193259350

約数列:

[1, 2, 5, 10, 19, 38, 67, 71, 95, 134, 142, 190, 223, 335, 355, 446, 670, 710, 1115, 1273, 1349, 2230, 2546, 2698, 4237, 4757, 6365, 6745, 8474, 9514, 12730, 13490, 14941, 15833, 21185, 23785, 29882, 31666, 42370, 47570, 74705, 79165, 90383, 149410, 158330, 180766, 283879, 300827, 451915, 567758, 601654, 903830, 1060811, 1419395, 1504135, 2121622, 2838790, 3008270, 5304055, 10608110, 20155409, 40310818, 100777045, 201554090]

約数ペア:

[(1, 201554090), (2, 100777045), (5, 40310818), (10, 20155409), (19, 10608110), (38, 5304055), (67, 3008270), (71, 2838790), (95, 2121622), (134, 1504135), (142, 1419395), (190, 1060811), (223, 903830), (335, 601654), (355, 567758), (446, 451915), (670, 300827), (710, 283879), (1115, 180766), (1273, 158330), (1349, 149410), (2230, 90383), (2546, 79165), (2698, 74705), (4237, 47570), (4757, 42370), (6365, 31666), (6745, 29882), (8474, 23785), (9514, 21185), (12730, 15833), (13490, 14941)]