30984820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1217}}^1$

素因数の和:1312

約数の個数: 48

約数和(自身を含む): 69572160

約数和(自身を除く): 38587340

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 67, 76, 95, 134, 190, 268, 335, 380, 670, 1217, 1273, 1340, 2434, 2546, 4868, 5092, 6085, 6365, 12170, 12730, 23123, 24340, 25460, 46246, 81539, 92492, 115615, 163078, 231230, 326156, 407695, 462460, 815390, 1549241, 1630780, 3098482, 6196964, 7746205, 15492410, 30984820]

約数ペア:

[(1, 30984820), (2, 15492410), (4, 7746205), (5, 6196964), (10, 3098482), (19, 1630780), (20, 1549241), (38, 815390), (67, 462460), (76, 407695), (95, 326156), (134, 231230), (190, 163078), (268, 115615), (335, 92492), (380, 81539), (670, 46246), (1217, 25460), (1273, 24340), (1340, 23123), (2434, 12730), (2546, 12170), (4868, 6365), (5092, 6085)]