155113654900

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{643}}^1\times {\mathrm{56101}}^1$

素因数の和:56801

約数の個数: 72

約数和(自身を含む): 344966261024

約数和(自身を除く): 189852606124

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 215, 430, 643, 860, 1075, 1286, 2150, 2572, 3215, 4300, 6430, 12860, 16075, 27649, 32150, 55298, 56101, 64300, 110596, 112202, 138245, 224404, 276490, 280505, 552980, 561010, 691225, 1122020, 1382450, 1402525, 2412343, 2764900, 2805050, 4824686, 5610100, 9649372, 12061715, 24123430, 36072943, 48246860, 60308575, 72145886, 120617150, 144291772, 180364715, 241234300, 360729430, 721458860, 901823575, 1551136549, 1803647150, 3102273098, 3607294300, 6204546196, 7755682745, 15511365490, 31022730980, 38778413725, 77556827450, 155113654900]

約数ペア:

[(1, 155113654900), (2, 77556827450), (4, 38778413725), (5, 31022730980), (10, 15511365490), (20, 7755682745), (25, 6204546196), (43, 3607294300), (50, 3102273098), (86, 1803647150), (100, 1551136549), (172, 901823575), (215, 721458860), (430, 360729430), (643, 241234300), (860, 180364715), (1075, 144291772), (1286, 120617150), (2150, 72145886), (2572, 60308575), (3215, 48246860), (4300, 36072943), (6430, 24123430), (12860, 12061715), (16075, 9649372), (27649, 5610100), (32150, 4824686), (55298, 2805050), (56101, 2764900), (64300, 2412343), (110596, 1402525), (112202, 1382450), (138245, 1122020), (224404, 691225), (276490, 561010), (280505, 552980)]