221327680

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{98807}}^1$

素因数の和:98831

約数の個数: 56

約数和(自身を含む): 602333568

約数和(自身を除く): 381005888

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 98807, 197614, 395228, 494035, 691649, 790456, 988070, 1383298, 1580912, 1976140, 2766596, 3161824, 3458245, 3952280, 5533192, 6323648, 6916490, 7904560, 11066384, 13832980, 15809120, 22132768, 27665960, 31618240, 44265536, 55331920, 110663840, 221327680]

約数ペア:

[(1, 221327680), (2, 110663840), (4, 55331920), (5, 44265536), (7, 31618240), (8, 27665960), (10, 22132768), (14, 15809120), (16, 13832980), (20, 11066384), (28, 7904560), (32, 6916490), (35, 6323648), (40, 5533192), (56, 3952280), (64, 3458245), (70, 3161824), (80, 2766596), (112, 1976140), (140, 1580912), (160, 1383298), (224, 988070), (280, 790456), (320, 691649), (448, 494035), (560, 395228), (1120, 197614), (2240, 98807)]