12903940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1511}}^1$

素因数の和:1588

約数の個数: 48

約数和(自身を含む): 31497984

約数和(自身を除く): 18594044

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1511, 1708, 2135, 3022, 4270, 6044, 7555, 8540, 10577, 15110, 21154, 30220, 42308, 52885, 92171, 105770, 184342, 211540, 368684, 460855, 645197, 921710, 1290394, 1843420, 2580788, 3225985, 6451970, 12903940]

約数ペア:

[(1, 12903940), (2, 6451970), (4, 3225985), (5, 2580788), (7, 1843420), (10, 1290394), (14, 921710), (20, 645197), (28, 460855), (35, 368684), (61, 211540), (70, 184342), (122, 105770), (140, 92171), (244, 52885), (305, 42308), (427, 30220), (610, 21154), (854, 15110), (1220, 10577), (1511, 8540), (1708, 7555), (2135, 6044), (3022, 4270)]