388145240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{60271}}^1$

素因数の和:60312

約数の個数: 64

約数和(自身を含む): 1041500160

約数和(自身を除く): 653354920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 6440, 60271, 120542, 241084, 301355, 421897, 482168, 602710, 843794, 1205420, 1386233, 1687588, 2109485, 2410840, 2772466, 3375176, 4218970, 5544932, 6931165, 8437940, 9703631, 11089864, 13862330, 16875880, 19407262, 27724660, 38814524, 48518155, 55449320, 77629048, 97036310, 194072620, 388145240]

約数ペア:

[(1, 388145240), (2, 194072620), (4, 97036310), (5, 77629048), (7, 55449320), (8, 48518155), (10, 38814524), (14, 27724660), (20, 19407262), (23, 16875880), (28, 13862330), (35, 11089864), (40, 9703631), (46, 8437940), (56, 6931165), (70, 5544932), (92, 4218970), (115, 3375176), (140, 2772466), (161, 2410840), (184, 2109485), (230, 1687588), (280, 1386233), (322, 1205420), (460, 843794), (644, 602710), (805, 482168), (920, 421897), (1288, 301355), (1610, 241084), (3220, 120542), (6440, 60271)]