256445150

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{10663}}^1$

素因数の和:10725

約数の個数: 48

約数和(自身を含む): 527612064

約数和(自身を除く): 271166914

約数列:

[1, 2, 5, 10, 13, 25, 26, 37, 50, 65, 74, 130, 185, 325, 370, 481, 650, 925, 962, 1850, 2405, 4810, 10663, 12025, 21326, 24050, 53315, 106630, 138619, 266575, 277238, 394531, 533150, 693095, 789062, 1386190, 1972655, 3465475, 3945310, 5128903, 6930950, 9863275, 10257806, 19726550, 25644515, 51289030, 128222575, 256445150]

約数ペア:

[(1, 256445150), (2, 128222575), (5, 51289030), (10, 25644515), (13, 19726550), (25, 10257806), (26, 9863275), (37, 6930950), (50, 5128903), (65, 3945310), (74, 3465475), (130, 1972655), (185, 1386190), (325, 789062), (370, 693095), (481, 533150), (650, 394531), (925, 277238), (962, 266575), (1850, 138619), (2405, 106630), (4810, 53315), (10663, 24050), (12025, 21326)]