30675820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{12889}}^1$

素因数の和:12922

約数の個数: 48

約数和(自身を含む): 77958720

約数和(自身を除く): 47282900

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 12889, 25778, 51556, 64445, 90223, 128890, 180446, 219113, 257780, 360892, 438226, 451115, 876452, 902230, 1095565, 1533791, 1804460, 2191130, 3067582, 4382260, 6135164, 7668955, 15337910, 30675820]

約数ペア:

[(1, 30675820), (2, 15337910), (4, 7668955), (5, 6135164), (7, 4382260), (10, 3067582), (14, 2191130), (17, 1804460), (20, 1533791), (28, 1095565), (34, 902230), (35, 876452), (68, 451115), (70, 438226), (85, 360892), (119, 257780), (140, 219113), (170, 180446), (238, 128890), (340, 90223), (476, 64445), (595, 51556), (1190, 25778), (2380, 12889)]