813173650

素因数分解:

$2^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{1459}}^1$

素因数の和:1699

約数の個数: 48

約数和(自身を含む): 1544633280

約数和(自身を除く): 731459630

約数列:

[1, 2, 5, 10, 25, 50, 71, 142, 157, 314, 355, 710, 785, 1459, 1570, 1775, 2918, 3550, 3925, 7295, 7850, 11147, 14590, 22294, 36475, 55735, 72950, 103589, 111470, 207178, 229063, 278675, 458126, 517945, 557350, 1035890, 1145315, 2290630, 2589725, 5179450, 5726575, 11453150, 16263473, 32526946, 81317365, 162634730, 406586825, 813173650]

約数ペア:

[(1, 813173650), (2, 406586825), (5, 162634730), (10, 81317365), (25, 32526946), (50, 16263473), (71, 11453150), (142, 5726575), (157, 5179450), (314, 2589725), (355, 2290630), (710, 1145315), (785, 1035890), (1459, 557350), (1570, 517945), (1775, 458126), (2918, 278675), (3550, 229063), (3925, 207178), (7295, 111470), (7850, 103589), (11147, 72950), (14590, 55735), (22294, 36475)]