84150520

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{181}}^1\times {\mathrm{197}}^1$

素因数の和:448

約数の個数: 64

約数和(自身を含む): 194594400

約数和(自身を除く): 110443880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 181, 197, 236, 295, 362, 394, 472, 590, 724, 788, 905, 985, 1180, 1448, 1576, 1810, 1970, 2360, 3620, 3940, 7240, 7880, 10679, 11623, 21358, 23246, 35657, 42716, 46492, 53395, 58115, 71314, 85432, 92984, 106790, 116230, 142628, 178285, 213580, 232460, 285256, 356570, 427160, 464920, 713140, 1426280, 2103763, 4207526, 8415052, 10518815, 16830104, 21037630, 42075260, 84150520]

約数ペア:

[(1, 84150520), (2, 42075260), (4, 21037630), (5, 16830104), (8, 10518815), (10, 8415052), (20, 4207526), (40, 2103763), (59, 1426280), (118, 713140), (181, 464920), (197, 427160), (236, 356570), (295, 285256), (362, 232460), (394, 213580), (472, 178285), (590, 142628), (724, 116230), (788, 106790), (905, 92984), (985, 85432), (1180, 71314), (1448, 58115), (1576, 53395), (1810, 46492), (1970, 42716), (2360, 35657), (3620, 23246), (3940, 21358), (7240, 11623), (7880, 10679)]