30718590

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{20897}}^1$

素因数の和:20921

約数の個数: 48

約数和(自身を含む): 85765392

約数和(自身を除く): 55046802

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 20897, 41794, 62691, 104485, 125382, 146279, 208970, 292558, 313455, 438837, 626910, 731395, 877674, 1023953, 1462790, 2047906, 2194185, 3071859, 4388370, 5119765, 6143718, 10239530, 15359295, 30718590]

約数ペア:

[(1, 30718590), (2, 15359295), (3, 10239530), (5, 6143718), (6, 5119765), (7, 4388370), (10, 3071859), (14, 2194185), (15, 2047906), (21, 1462790), (30, 1023953), (35, 877674), (42, 731395), (49, 626910), (70, 438837), (98, 313455), (105, 292558), (147, 208970), (210, 146279), (245, 125382), (294, 104485), (490, 62691), (735, 41794), (1470, 20897)]