349219980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{21799}}^1$

素因数の和:21903

約数の個数: 72

約数和(自身を含む): 1071252000

約数和(自身を除く): 722032020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 89, 90, 178, 180, 267, 356, 445, 534, 801, 890, 1068, 1335, 1602, 1780, 2670, 3204, 4005, 5340, 8010, 16020, 21799, 43598, 65397, 87196, 108995, 130794, 196191, 217990, 261588, 326985, 392382, 435980, 653970, 784764, 980955, 1307940, 1940111, 1961910, 3880222, 3923820, 5820333, 7760444, 9700555, 11640666, 17460999, 19401110, 23281332, 29101665, 34921998, 38802220, 58203330, 69843996, 87304995, 116406660, 174609990, 349219980]

約数ペア:

[(1, 349219980), (2, 174609990), (3, 116406660), (4, 87304995), (5, 69843996), (6, 58203330), (9, 38802220), (10, 34921998), (12, 29101665), (15, 23281332), (18, 19401110), (20, 17460999), (30, 11640666), (36, 9700555), (45, 7760444), (60, 5820333), (89, 3923820), (90, 3880222), (178, 1961910), (180, 1940111), (267, 1307940), (356, 980955), (445, 784764), (534, 653970), (801, 435980), (890, 392382), (1068, 326985), (1335, 261588), (1602, 217990), (1780, 196191), (2670, 130794), (3204, 108995), (4005, 87196), (5340, 65397), (8010, 43598), (16020, 21799)]