131829790

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{311}}^1$

素因数の和:457

約数の個数: 64

約数和(自身を含む): 264176640

約数和(自身を除く): 132346850

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 95, 97, 115, 190, 194, 230, 311, 437, 485, 622, 874, 970, 1555, 1843, 2185, 2231, 3110, 3686, 4370, 4462, 5909, 7153, 9215, 11155, 11818, 14306, 18430, 22310, 29545, 30167, 35765, 42389, 59090, 60334, 71530, 84778, 135907, 150835, 211945, 271814, 301670, 423890, 573173, 679535, 693841, 1146346, 1359070, 1387682, 2865865, 3469205, 5731730, 6938410, 13182979, 26365958, 65914895, 131829790]

約数ペア:

[(1, 131829790), (2, 65914895), (5, 26365958), (10, 13182979), (19, 6938410), (23, 5731730), (38, 3469205), (46, 2865865), (95, 1387682), (97, 1359070), (115, 1146346), (190, 693841), (194, 679535), (230, 573173), (311, 423890), (437, 301670), (485, 271814), (622, 211945), (874, 150835), (970, 135907), (1555, 84778), (1843, 71530), (2185, 60334), (2231, 59090), (3110, 42389), (3686, 35765), (4370, 30167), (4462, 29545), (5909, 22310), (7153, 18430), (9215, 14306), (11155, 11818)]