2873420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{353}}^1$

素因数の和:410

約数の個数: 48

約数和(自身を含む): 6779808

約数和(自身を除く): 3906388

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 220, 353, 370, 407, 706, 740, 814, 1412, 1628, 1765, 2035, 3530, 3883, 4070, 7060, 7766, 8140, 13061, 15532, 19415, 26122, 38830, 52244, 65305, 77660, 130610, 143671, 261220, 287342, 574684, 718355, 1436710, 2873420]

約数ペア:

[(1, 2873420), (2, 1436710), (4, 718355), (5, 574684), (10, 287342), (11, 261220), (20, 143671), (22, 130610), (37, 77660), (44, 65305), (55, 52244), (74, 38830), (110, 26122), (148, 19415), (185, 15532), (220, 13061), (353, 8140), (370, 7766), (407, 7060), (706, 4070), (740, 3883), (814, 3530), (1412, 2035), (1628, 1765)]