291681320

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{148817}}^1$

素因数の和:148842

約数の個数: 48

約数和(自身を含む): 763436340

約数和(自身を除く): 471755020

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 148817, 297634, 595268, 744085, 1041719, 1190536, 1488170, 2083438, 2976340, 4166876, 5208595, 5952680, 7292033, 8333752, 10417190, 14584066, 20834380, 29168132, 36460165, 41668760, 58336264, 72920330, 145840660, 291681320]

約数ペア:

[(1, 291681320), (2, 145840660), (4, 72920330), (5, 58336264), (7, 41668760), (8, 36460165), (10, 29168132), (14, 20834380), (20, 14584066), (28, 10417190), (35, 8333752), (40, 7292033), (49, 5952680), (56, 5208595), (70, 4166876), (98, 2976340), (140, 2083438), (196, 1488170), (245, 1190536), (280, 1041719), (392, 744085), (490, 595268), (980, 297634), (1960, 148817)]