217779100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{28283}}^1$

素因数の和:28315

約数の個数: 72

約数和(自身を含む): 589212288

約数和(自身を除く): 371433188

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 50, 55, 70, 77, 100, 110, 140, 154, 175, 220, 275, 308, 350, 385, 550, 700, 770, 1100, 1540, 1925, 3850, 7700, 28283, 56566, 113132, 141415, 197981, 282830, 311113, 395962, 565660, 622226, 707075, 791924, 989905, 1244452, 1414150, 1555565, 1979810, 2177791, 2828300, 3111130, 3959620, 4355582, 4949525, 6222260, 7777825, 8711164, 9899050, 10888955, 15555650, 19798100, 21777910, 31111300, 43555820, 54444775, 108889550, 217779100]

約数ペア:

[(1, 217779100), (2, 108889550), (4, 54444775), (5, 43555820), (7, 31111300), (10, 21777910), (11, 19798100), (14, 15555650), (20, 10888955), (22, 9899050), (25, 8711164), (28, 7777825), (35, 6222260), (44, 4949525), (50, 4355582), (55, 3959620), (70, 3111130), (77, 2828300), (100, 2177791), (110, 1979810), (140, 1555565), (154, 1414150), (175, 1244452), (220, 989905), (275, 791924), (308, 707075), (350, 622226), (385, 565660), (550, 395962), (700, 311113), (770, 282830), (1100, 197981), (1540, 141415), (1925, 113132), (3850, 56566), (7700, 28283)]