47902990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:217

約数の個数: 64

約数和(自身を含む): 95178240

約数和(自身を除く): 47275250

約数列:

[1, 2, 5, 10, 19, 38, 53, 67, 71, 95, 106, 134, 142, 190, 265, 335, 355, 530, 670, 710, 1007, 1273, 1349, 2014, 2546, 2698, 3551, 3763, 4757, 5035, 6365, 6745, 7102, 7526, 9514, 10070, 12730, 13490, 17755, 18815, 23785, 35510, 37630, 47570, 67469, 71497, 90383, 134938, 142994, 180766, 252121, 337345, 357485, 451915, 504242, 674690, 714970, 903830, 1260605, 2521210, 4790299, 9580598, 23951495, 47902990]

約数ペア:

[(1, 47902990), (2, 23951495), (5, 9580598), (10, 4790299), (19, 2521210), (38, 1260605), (53, 903830), (67, 714970), (71, 674690), (95, 504242), (106, 451915), (134, 357485), (142, 337345), (190, 252121), (265, 180766), (335, 142994), (355, 134938), (530, 90383), (670, 71497), (710, 67469), (1007, 47570), (1273, 37630), (1349, 35510), (2014, 23785), (2546, 18815), (2698, 17755), (3551, 13490), (3763, 12730), (4757, 10070), (5035, 9514), (6365, 7526), (6745, 7102)]