1288894590

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{109321}}^1$

素因数の和:109465

約数の個数: 48

約数和(自身を含む): 3376737936

約数和(自身を除く): 2087843346

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 131, 262, 393, 655, 786, 1179, 1310, 1965, 2358, 3930, 5895, 11790, 109321, 218642, 327963, 546605, 655926, 983889, 1093210, 1639815, 1967778, 3279630, 4919445, 9838890, 14321051, 28642102, 42963153, 71605255, 85926306, 128889459, 143210510, 214815765, 257778918, 429631530, 644447295, 1288894590]

約数ペア:

[(1, 1288894590), (2, 644447295), (3, 429631530), (5, 257778918), (6, 214815765), (9, 143210510), (10, 128889459), (15, 85926306), (18, 71605255), (30, 42963153), (45, 28642102), (90, 14321051), (131, 9838890), (262, 4919445), (393, 3279630), (655, 1967778), (786, 1639815), (1179, 1093210), (1310, 983889), (1965, 655926), (2358, 546605), (3930, 327963), (5895, 218642), (11790, 109321)]