400302448

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{1303}}^1$

素因数の和:1542

約数の個数: 80

約数和(自身を含む): 959827456

約数和(自身を除く): 559525008

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 211, 364, 422, 728, 844, 1303, 1456, 1477, 1688, 2606, 2743, 2954, 3376, 5212, 5486, 5908, 9121, 10424, 10972, 11816, 16939, 18242, 19201, 20848, 21944, 23632, 33878, 36484, 38402, 43888, 67756, 72968, 76804, 118573, 135512, 145936, 153608, 237146, 271024, 274933, 307216, 474292, 549866, 948584, 1099732, 1897168, 1924531, 2199464, 3574129, 3849062, 4398928, 7148258, 7698124, 14296516, 15396248, 25018903, 28593032, 30792496, 50037806, 57186064, 100075612, 200151224, 400302448]

約数ペア:

[(1, 400302448), (2, 200151224), (4, 100075612), (7, 57186064), (8, 50037806), (13, 30792496), (14, 28593032), (16, 25018903), (26, 15396248), (28, 14296516), (52, 7698124), (56, 7148258), (91, 4398928), (104, 3849062), (112, 3574129), (182, 2199464), (208, 1924531), (211, 1897168), (364, 1099732), (422, 948584), (728, 549866), (844, 474292), (1303, 307216), (1456, 274933), (1477, 271024), (1688, 237146), (2606, 153608), (2743, 145936), (2954, 135512), (3376, 118573), (5212, 76804), (5486, 72968), (5908, 67756), (9121, 43888), (10424, 38402), (10972, 36484), (11816, 33878), (16939, 23632), (18242, 21944), (19201, 20848)]