988140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{383}}^1$

素因数の和:438

約数の個数: 48

約数和(自身を含む): 2838528

約数和(自身を除く): 1850388

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 383, 430, 516, 645, 766, 860, 1149, 1290, 1532, 1915, 2298, 2580, 3830, 4596, 5745, 7660, 11490, 16469, 22980, 32938, 49407, 65876, 82345, 98814, 164690, 197628, 247035, 329380, 494070, 988140]

約数ペア:

[(1, 988140), (2, 494070), (3, 329380), (4, 247035), (5, 197628), (6, 164690), (10, 98814), (12, 82345), (15, 65876), (20, 49407), (30, 32938), (43, 22980), (60, 16469), (86, 11490), (129, 7660), (172, 5745), (215, 4596), (258, 3830), (383, 2580), (430, 2298), (516, 1915), (645, 1532), (766, 1290), (860, 1149)]