219531700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{509}}^1$

素因数の和:769

約数の個数: 72

約数和(自身を含む): 504655200

約数和(自身を除く): 285123500

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 227, 380, 454, 475, 509, 908, 950, 1018, 1135, 1900, 2036, 2270, 2545, 4313, 4540, 5090, 5675, 8626, 9671, 10180, 11350, 12725, 17252, 19342, 21565, 22700, 25450, 38684, 43130, 48355, 50900, 86260, 96710, 107825, 115543, 193420, 215650, 231086, 241775, 431300, 462172, 483550, 577715, 967100, 1155430, 2195317, 2310860, 2888575, 4390634, 5777150, 8781268, 10976585, 11554300, 21953170, 43906340, 54882925, 109765850, 219531700]

約数ペア:

[(1, 219531700), (2, 109765850), (4, 54882925), (5, 43906340), (10, 21953170), (19, 11554300), (20, 10976585), (25, 8781268), (38, 5777150), (50, 4390634), (76, 2888575), (95, 2310860), (100, 2195317), (190, 1155430), (227, 967100), (380, 577715), (454, 483550), (475, 462172), (509, 431300), (908, 241775), (950, 231086), (1018, 215650), (1135, 193420), (1900, 115543), (2036, 107825), (2270, 96710), (2545, 86260), (4313, 50900), (4540, 48355), (5090, 43130), (5675, 38684), (8626, 25450), (9671, 22700), (10180, 21565), (11350, 19342), (12725, 17252)]