202171820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{14503}}^1$

素因数の和:14570

約数の個数: 48

約数和(自身を含む): 460531008

約数和(自身を除く): 258359188

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 68, 82, 85, 164, 170, 205, 340, 410, 697, 820, 1394, 2788, 3485, 6970, 13940, 14503, 29006, 58012, 72515, 145030, 246551, 290060, 493102, 594623, 986204, 1189246, 1232755, 2378492, 2465510, 2973115, 4931020, 5946230, 10108591, 11892460, 20217182, 40434364, 50542955, 101085910, 202171820]

約数ペア:

[(1, 202171820), (2, 101085910), (4, 50542955), (5, 40434364), (10, 20217182), (17, 11892460), (20, 10108591), (34, 5946230), (41, 4931020), (68, 2973115), (82, 2465510), (85, 2378492), (164, 1232755), (170, 1189246), (205, 986204), (340, 594623), (410, 493102), (697, 290060), (820, 246551), (1394, 145030), (2788, 72515), (3485, 58012), (6970, 29006), (13940, 14503)]