201248920

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{135979}}^1$

素因数の和:136027

約数の個数: 32

約数和(自身を含む): 465051600

約数和(自身を除く): 263802680

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 135979, 271958, 543916, 679895, 1087832, 1359790, 2719580, 5031223, 5439160, 10062446, 20124892, 25156115, 40249784, 50312230, 100624460, 201248920]

約数ペア:

[(1, 201248920), (2, 100624460), (4, 50312230), (5, 40249784), (8, 25156115), (10, 20124892), (20, 10062446), (37, 5439160), (40, 5031223), (74, 2719580), (148, 1359790), (185, 1087832), (296, 679895), (370, 543916), (740, 271958), (1480, 135979)]