680240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{773}}^1$

素因数の和:797

約数の個数: 40

約数和(自身を含む): 1727568

約数和(自身を除く): 1047328

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 773, 880, 1546, 3092, 3865, 6184, 7730, 8503, 12368, 15460, 17006, 30920, 34012, 42515, 61840, 68024, 85030, 136048, 170060, 340120, 680240]

約数ペア:

[(1, 680240), (2, 340120), (4, 170060), (5, 136048), (8, 85030), (10, 68024), (11, 61840), (16, 42515), (20, 34012), (22, 30920), (40, 17006), (44, 15460), (55, 12368), (80, 8503), (88, 7730), (110, 6184), (176, 3865), (220, 3092), (440, 1546), (773, 880)]