149487550

素因数分解:

$2^1\times 5^2\times {\mathrm{137}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:445

約数の個数: 48

約数和(自身を含む): 283888080

約数和(自身を除く): 134400530

約数列:

[1, 2, 5, 10, 25, 50, 137, 139, 157, 274, 278, 314, 685, 695, 785, 1370, 1390, 1570, 3425, 3475, 3925, 6850, 6950, 7850, 19043, 21509, 21823, 38086, 43018, 43646, 95215, 107545, 109115, 190430, 215090, 218230, 476075, 537725, 545575, 952150, 1075450, 1091150, 2989751, 5979502, 14948755, 29897510, 74743775, 149487550]

約数ペア:

[(1, 149487550), (2, 74743775), (5, 29897510), (10, 14948755), (25, 5979502), (50, 2989751), (137, 1091150), (139, 1075450), (157, 952150), (274, 545575), (278, 537725), (314, 476075), (685, 218230), (695, 215090), (785, 190430), (1370, 109115), (1390, 107545), (1570, 95215), (3425, 43646), (3475, 43018), (3925, 38086), (6850, 21823), (6950, 21509), (7850, 19043)]