202431880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{722971}}^1$

素因数の和:722989

約数の個数: 32

約数和(自身を含む): 520539840

約数和(自身を除く): 318107960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 722971, 1445942, 2891884, 3614855, 5060797, 5783768, 7229710, 10121594, 14459420, 20243188, 25303985, 28918840, 40486376, 50607970, 101215940, 202431880]

約数ペア:

[(1, 202431880), (2, 101215940), (4, 50607970), (5, 40486376), (7, 28918840), (8, 25303985), (10, 20243188), (14, 14459420), (20, 10121594), (28, 7229710), (35, 5783768), (40, 5060797), (56, 3614855), (70, 2891884), (140, 1445942), (280, 722971)]