209216240

素因数分解:

$2^4\times 5^1\times {\mathrm{283}}^1\times {\mathrm{9241}}^1$

素因数の和:9537

約数の個数: 40

約数和(自身を含む): 488199408

約数和(自身を除く): 278983168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 283, 566, 1132, 1415, 2264, 2830, 4528, 5660, 9241, 11320, 18482, 22640, 36964, 46205, 73928, 92410, 147856, 184820, 369640, 739280, 2615203, 5230406, 10460812, 13076015, 20921624, 26152030, 41843248, 52304060, 104608120, 209216240]

約数ペア:

[(1, 209216240), (2, 104608120), (4, 52304060), (5, 41843248), (8, 26152030), (10, 20921624), (16, 13076015), (20, 10460812), (40, 5230406), (80, 2615203), (283, 739280), (566, 369640), (1132, 184820), (1415, 147856), (2264, 92410), (2830, 73928), (4528, 46205), (5660, 36964), (9241, 22640), (11320, 18482)]