217627900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{16363}}^1$

素因数の和:16403

約数の個数: 72

約数和(自身を含む): 568158080

約数和(自身を除く): 350530180

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 35, 38, 50, 70, 76, 95, 100, 133, 140, 175, 190, 266, 350, 380, 475, 532, 665, 700, 950, 1330, 1900, 2660, 3325, 6650, 13300, 16363, 32726, 65452, 81815, 114541, 163630, 229082, 310897, 327260, 409075, 458164, 572705, 621794, 818150, 1145410, 1243588, 1554485, 1636300, 2176279, 2290820, 2863525, 3108970, 4352558, 5727050, 6217940, 7772425, 8705116, 10881395, 11454100, 15544850, 21762790, 31089700, 43525580, 54406975, 108813950, 217627900]

約数ペア:

[(1, 217627900), (2, 108813950), (4, 54406975), (5, 43525580), (7, 31089700), (10, 21762790), (14, 15544850), (19, 11454100), (20, 10881395), (25, 8705116), (28, 7772425), (35, 6217940), (38, 5727050), (50, 4352558), (70, 3108970), (76, 2863525), (95, 2290820), (100, 2176279), (133, 1636300), (140, 1554485), (175, 1243588), (190, 1145410), (266, 818150), (350, 621794), (380, 572705), (475, 458164), (532, 409075), (665, 327260), (700, 310897), (950, 229082), (1330, 163630), (1900, 114541), (2660, 81815), (3325, 65452), (6650, 32726), (13300, 16363)]