127274540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{4999}}^1$

素因数の和:5094

約数の個数: 48

約数和(自身を含む): 285600000

約数和(自身を除く): 158325460

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 67, 76, 95, 134, 190, 268, 335, 380, 670, 1273, 1340, 2546, 4999, 5092, 6365, 9998, 12730, 19996, 24995, 25460, 49990, 94981, 99980, 189962, 334933, 379924, 474905, 669866, 949810, 1339732, 1674665, 1899620, 3349330, 6363727, 6698660, 12727454, 25454908, 31818635, 63637270, 127274540]

約数ペア:

[(1, 127274540), (2, 63637270), (4, 31818635), (5, 25454908), (10, 12727454), (19, 6698660), (20, 6363727), (38, 3349330), (67, 1899620), (76, 1674665), (95, 1339732), (134, 949810), (190, 669866), (268, 474905), (335, 379924), (380, 334933), (670, 189962), (1273, 99980), (1340, 94981), (2546, 49990), (4999, 25460), (5092, 24995), (6365, 19996), (9998, 12730)]