1520807420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{406633}}^1$

素因数の和:406670

約数の個数: 48

約数和(自身を含む): 3688983648

約数和(自身を除く): 2168176228

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 3740, 406633, 813266, 1626532, 2033165, 4066330, 4472963, 6912761, 8132660, 8945926, 13825522, 17891852, 22364815, 27651044, 34563805, 44729630, 69127610, 76040371, 89459260, 138255220, 152080742, 304161484, 380201855, 760403710, 1520807420]

約数ペア:

[(1, 1520807420), (2, 760403710), (4, 380201855), (5, 304161484), (10, 152080742), (11, 138255220), (17, 89459260), (20, 76040371), (22, 69127610), (34, 44729630), (44, 34563805), (55, 27651044), (68, 22364815), (85, 17891852), (110, 13825522), (170, 8945926), (187, 8132660), (220, 6912761), (340, 4472963), (374, 4066330), (748, 2033165), (935, 1626532), (1870, 813266), (3740, 406633)]