30121300

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{197}}^1$

素因数の和:361

約数の個数: 72

約数和(自身を含む): 72182880

約数和(自身を除く): 42061580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 139, 197, 220, 275, 278, 394, 550, 556, 695, 788, 985, 1100, 1390, 1529, 1970, 2167, 2780, 3058, 3475, 3940, 4334, 4925, 6116, 6950, 7645, 8668, 9850, 10835, 13900, 15290, 19700, 21670, 27383, 30580, 38225, 43340, 54175, 54766, 76450, 108350, 109532, 136915, 152900, 216700, 273830, 301213, 547660, 602426, 684575, 1204852, 1369150, 1506065, 2738300, 3012130, 6024260, 7530325, 15060650, 30121300]

約数ペア:

[(1, 30121300), (2, 15060650), (4, 7530325), (5, 6024260), (10, 3012130), (11, 2738300), (20, 1506065), (22, 1369150), (25, 1204852), (44, 684575), (50, 602426), (55, 547660), (100, 301213), (110, 273830), (139, 216700), (197, 152900), (220, 136915), (275, 109532), (278, 108350), (394, 76450), (550, 54766), (556, 54175), (695, 43340), (788, 38225), (985, 30580), (1100, 27383), (1390, 21670), (1529, 19700), (1970, 15290), (2167, 13900), (2780, 10835), (3058, 9850), (3475, 8668), (3940, 7645), (4334, 6950), (4925, 6116)]