203238980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{9743}}^1$

素因数の和:9908

約数の個数: 48

約数和(自身を含む): 491097600

約数和(自身を除く): 287858620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149, 298, 596, 745, 1043, 1490, 2086, 2980, 4172, 5215, 9743, 10430, 19486, 20860, 38972, 48715, 68201, 97430, 136402, 194860, 272804, 341005, 682010, 1364020, 1451707, 2903414, 5806828, 7258535, 10161949, 14517070, 20323898, 29034140, 40647796, 50809745, 101619490, 203238980]

約数ペア:

[(1, 203238980), (2, 101619490), (4, 50809745), (5, 40647796), (7, 29034140), (10, 20323898), (14, 14517070), (20, 10161949), (28, 7258535), (35, 5806828), (70, 2903414), (140, 1451707), (149, 1364020), (298, 682010), (596, 341005), (745, 272804), (1043, 194860), (1490, 136402), (2086, 97430), (2980, 68201), (4172, 48715), (5215, 38972), (9743, 20860), (10430, 19486)]