15974980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{16301}}^1$

素因数の和:16324

約数の個数: 36

約数和(自身を含む): 39026988

約数和(自身を除く): 23052008

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 16301, 32602, 65204, 81505, 114107, 163010, 228214, 326020, 456428, 570535, 798749, 1141070, 1597498, 2282140, 3194996, 3993745, 7987490, 15974980]

約数ペア:

[(1, 15974980), (2, 7987490), (4, 3993745), (5, 3194996), (7, 2282140), (10, 1597498), (14, 1141070), (20, 798749), (28, 570535), (35, 456428), (49, 326020), (70, 228214), (98, 163010), (140, 114107), (196, 81505), (245, 65204), (490, 32602), (980, 16301)]