289415060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{2027}}^1$

素因数の和:2117

約数の個数: 72

約数和(自身を含む): 679704480

約数和(自身を除く): 390289420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 59, 110, 118, 121, 220, 236, 242, 295, 484, 590, 605, 649, 1180, 1210, 1298, 2027, 2420, 2596, 3245, 4054, 6490, 7139, 8108, 10135, 12980, 14278, 20270, 22297, 28556, 35695, 40540, 44594, 71390, 89188, 111485, 119593, 142780, 222970, 239186, 245267, 445940, 478372, 490534, 597965, 981068, 1195930, 1226335, 1315523, 2391860, 2452670, 2631046, 4905340, 5262092, 6577615, 13155230, 14470753, 26310460, 28941506, 57883012, 72353765, 144707530, 289415060]

約数ペア:

[(1, 289415060), (2, 144707530), (4, 72353765), (5, 57883012), (10, 28941506), (11, 26310460), (20, 14470753), (22, 13155230), (44, 6577615), (55, 5262092), (59, 4905340), (110, 2631046), (118, 2452670), (121, 2391860), (220, 1315523), (236, 1226335), (242, 1195930), (295, 981068), (484, 597965), (590, 490534), (605, 478372), (649, 445940), (1180, 245267), (1210, 239186), (1298, 222970), (2027, 142780), (2420, 119593), (2596, 111485), (3245, 89188), (4054, 71390), (6490, 44594), (7139, 40540), (8108, 35695), (10135, 28556), (12980, 22297), (14278, 20270)]