389621950

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{1453}}^1$

素因数の和:1669

約数の個数: 48

約数和(自身を含む): 752916096

約数和(自身を除く): 363294146

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 155, 173, 310, 346, 775, 865, 1453, 1550, 1730, 2906, 4325, 5363, 7265, 8650, 10726, 14530, 26815, 36325, 45043, 53630, 72650, 90086, 134075, 225215, 251369, 268150, 450430, 502738, 1126075, 1256845, 2252150, 2513690, 6284225, 7792439, 12568450, 15584878, 38962195, 77924390, 194810975, 389621950]

約数ペア:

[(1, 389621950), (2, 194810975), (5, 77924390), (10, 38962195), (25, 15584878), (31, 12568450), (50, 7792439), (62, 6284225), (155, 2513690), (173, 2252150), (310, 1256845), (346, 1126075), (775, 502738), (865, 450430), (1453, 268150), (1550, 251369), (1730, 225215), (2906, 134075), (4325, 90086), (5363, 72650), (7265, 53630), (8650, 45043), (10726, 36325), (14530, 26815)]