212317720

素因数分解:

$2^3\times 5^1\times {\mathrm{593}}^1\times {\mathrm{8951}}^1$

素因数の和:9555

約数の個数: 32

約数和(自身を含む): 478573920

約数和(自身を除く): 266256200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 593, 1186, 2372, 2965, 4744, 5930, 8951, 11860, 17902, 23720, 35804, 44755, 71608, 89510, 179020, 358040, 5307943, 10615886, 21231772, 26539715, 42463544, 53079430, 106158860, 212317720]

約数ペア:

[(1, 212317720), (2, 106158860), (4, 53079430), (5, 42463544), (8, 26539715), (10, 21231772), (20, 10615886), (40, 5307943), (593, 358040), (1186, 179020), (2372, 89510), (2965, 71608), (4744, 44755), (5930, 35804), (8951, 23720), (11860, 17902)]