2248140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{421}}^1$

素因数の和:522

約数の個数: 48

約数和(自身を含む): 6380640

約数和(自身を除く): 4132500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 89, 178, 267, 356, 421, 445, 534, 842, 890, 1068, 1263, 1335, 1684, 1780, 2105, 2526, 2670, 4210, 5052, 5340, 6315, 8420, 12630, 25260, 37469, 74938, 112407, 149876, 187345, 224814, 374690, 449628, 562035, 749380, 1124070, 2248140]

約数ペア:

[(1, 2248140), (2, 1124070), (3, 749380), (4, 562035), (5, 449628), (6, 374690), (10, 224814), (12, 187345), (15, 149876), (20, 112407), (30, 74938), (60, 37469), (89, 25260), (178, 12630), (267, 8420), (356, 6315), (421, 5340), (445, 5052), (534, 4210), (842, 2670), (890, 2526), (1068, 2105), (1263, 1780), (1335, 1684)]