198996860

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1\times {\mathrm{503}}^1$

素因数の和:794

約数の個数: 48

約数和(自身を含む): 424714752

約数和(自身を除く): 225717892

約数列:

[1, 2, 4, 5, 10, 20, 131, 151, 262, 302, 503, 524, 604, 655, 755, 1006, 1310, 1510, 2012, 2515, 2620, 3020, 5030, 10060, 19781, 39562, 65893, 75953, 79124, 98905, 131786, 151906, 197810, 263572, 303812, 329465, 379765, 395620, 658930, 759530, 1317860, 1519060, 9949843, 19899686, 39799372, 49749215, 99498430, 198996860]

約数ペア:

[(1, 198996860), (2, 99498430), (4, 49749215), (5, 39799372), (10, 19899686), (20, 9949843), (131, 1519060), (151, 1317860), (262, 759530), (302, 658930), (503, 395620), (524, 379765), (604, 329465), (655, 303812), (755, 263572), (1006, 197810), (1310, 151906), (1510, 131786), (2012, 98905), (2515, 79124), (2620, 75953), (3020, 65893), (5030, 39562), (10060, 19781)]