247981020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{590431}}^1$

素因数の和:590450

約数の個数: 48

約数和(自身を含む): 793540608

約数和(自身を除く): 545559588

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 590431, 1180862, 1771293, 2361724, 2952155, 3542586, 4133017, 5904310, 7085172, 8266034, 8856465, 11808620, 12399051, 16532068, 17712930, 20665085, 24798102, 35425860, 41330170, 49596204, 61995255, 82660340, 123990510, 247981020]

約数ペア:

[(1, 247981020), (2, 123990510), (3, 82660340), (4, 61995255), (5, 49596204), (6, 41330170), (7, 35425860), (10, 24798102), (12, 20665085), (14, 17712930), (15, 16532068), (20, 12399051), (21, 11808620), (28, 8856465), (30, 8266034), (35, 7085172), (42, 5904310), (60, 4133017), (70, 3542586), (84, 2952155), (105, 2361724), (140, 1771293), (210, 1180862), (420, 590431)]