389664250

素因数分解:

$2^1\times 5^3\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{211}}^1$

素因数の和:400

約数の個数: 64

約数和(自身を含む): 750072960

約数和(自身を除く): 360408710

約数列:

[1, 2, 5, 10, 25, 50, 83, 89, 125, 166, 178, 211, 250, 415, 422, 445, 830, 890, 1055, 2075, 2110, 2225, 4150, 4450, 5275, 7387, 10375, 10550, 11125, 14774, 17513, 18779, 20750, 22250, 26375, 35026, 36935, 37558, 52750, 73870, 87565, 93895, 175130, 184675, 187790, 369350, 437825, 469475, 875650, 923375, 938950, 1558657, 1846750, 2189125, 2347375, 3117314, 4378250, 4694750, 7793285, 15586570, 38966425, 77932850, 194832125, 389664250]

約数ペア:

[(1, 389664250), (2, 194832125), (5, 77932850), (10, 38966425), (25, 15586570), (50, 7793285), (83, 4694750), (89, 4378250), (125, 3117314), (166, 2347375), (178, 2189125), (211, 1846750), (250, 1558657), (415, 938950), (422, 923375), (445, 875650), (830, 469475), (890, 437825), (1055, 369350), (2075, 187790), (2110, 184675), (2225, 175130), (4150, 93895), (4450, 87565), (5275, 73870), (7387, 52750), (10375, 37558), (10550, 36935), (11125, 35026), (14774, 26375), (17513, 22250), (18779, 20750)]