29916880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1303}}^1$

素因数の和:1364

約数の個数: 80

約数和(自身を含む): 81494784

約数和(自身を除く): 51577904

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 41, 56, 70, 80, 82, 112, 140, 164, 205, 280, 287, 328, 410, 560, 574, 656, 820, 1148, 1303, 1435, 1640, 2296, 2606, 2870, 3280, 4592, 5212, 5740, 6515, 9121, 10424, 11480, 13030, 18242, 20848, 22960, 26060, 36484, 45605, 52120, 53423, 72968, 91210, 104240, 106846, 145936, 182420, 213692, 267115, 364840, 373961, 427384, 534230, 729680, 747922, 854768, 1068460, 1495844, 1869805, 2136920, 2991688, 3739610, 4273840, 5983376, 7479220, 14958440, 29916880]

約数ペア:

[(1, 29916880), (2, 14958440), (4, 7479220), (5, 5983376), (7, 4273840), (8, 3739610), (10, 2991688), (14, 2136920), (16, 1869805), (20, 1495844), (28, 1068460), (35, 854768), (40, 747922), (41, 729680), (56, 534230), (70, 427384), (80, 373961), (82, 364840), (112, 267115), (140, 213692), (164, 182420), (205, 145936), (280, 106846), (287, 104240), (328, 91210), (410, 72968), (560, 53423), (574, 52120), (656, 45605), (820, 36484), (1148, 26060), (1303, 22960), (1435, 20848), (1640, 18242), (2296, 13030), (2606, 11480), (2870, 10424), (3280, 9121), (4592, 6515), (5212, 5740)]