30945740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{4703}}^1$

素因数の和:4766

約数の個数: 48

約数和(自身を含む): 75866112

約数和(自身を除く): 44920372

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 3290, 4703, 6580, 9406, 18812, 23515, 32921, 47030, 65842, 94060, 131684, 164605, 221041, 329210, 442082, 658420, 884164, 1105205, 1547287, 2210410, 3094574, 4420820, 6189148, 7736435, 15472870, 30945740]

約数ペア:

[(1, 30945740), (2, 15472870), (4, 7736435), (5, 6189148), (7, 4420820), (10, 3094574), (14, 2210410), (20, 1547287), (28, 1105205), (35, 884164), (47, 658420), (70, 442082), (94, 329210), (140, 221041), (188, 164605), (235, 131684), (329, 94060), (470, 65842), (658, 47030), (940, 32921), (1316, 23515), (1645, 18812), (3290, 9406), (4703, 6580)]