181504340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{7129}}^1$

素因数の和:7224

約数の個数: 48

約数和(自身を含む): 407265600

約数和(自身を除く): 225761260

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 67, 76, 95, 134, 190, 268, 335, 380, 670, 1273, 1340, 2546, 5092, 6365, 7129, 12730, 14258, 25460, 28516, 35645, 71290, 135451, 142580, 270902, 477643, 541804, 677255, 955286, 1354510, 1910572, 2388215, 2709020, 4776430, 9075217, 9552860, 18150434, 36300868, 45376085, 90752170, 181504340]

約数ペア:

[(1, 181504340), (2, 90752170), (4, 45376085), (5, 36300868), (10, 18150434), (19, 9552860), (20, 9075217), (38, 4776430), (67, 2709020), (76, 2388215), (95, 1910572), (134, 1354510), (190, 955286), (268, 677255), (335, 541804), (380, 477643), (670, 270902), (1273, 142580), (1340, 135451), (2546, 71290), (5092, 35645), (6365, 28516), (7129, 25460), (12730, 14258)]