218868690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{8573}}^1$

素因数の和:8643

約数の個数: 64

約数和(自身を含む): 563003136

約数和(自身を除く): 344134446

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 37, 46, 69, 74, 111, 115, 138, 185, 222, 230, 345, 370, 555, 690, 851, 1110, 1702, 2553, 4255, 5106, 8510, 8573, 12765, 17146, 25530, 25719, 42865, 51438, 85730, 128595, 197179, 257190, 317201, 394358, 591537, 634402, 951603, 985895, 1183074, 1586005, 1903206, 1971790, 2957685, 3172010, 4758015, 5915370, 7295623, 9516030, 14591246, 21886869, 36478115, 43773738, 72956230, 109434345, 218868690]

約数ペア:

[(1, 218868690), (2, 109434345), (3, 72956230), (5, 43773738), (6, 36478115), (10, 21886869), (15, 14591246), (23, 9516030), (30, 7295623), (37, 5915370), (46, 4758015), (69, 3172010), (74, 2957685), (111, 1971790), (115, 1903206), (138, 1586005), (185, 1183074), (222, 985895), (230, 951603), (345, 634402), (370, 591537), (555, 394358), (690, 317201), (851, 257190), (1110, 197179), (1702, 128595), (2553, 85730), (4255, 51438), (5106, 42865), (8510, 25719), (8573, 25530), (12765, 17146)]