447711890

素因数分解:

$2^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{173}}^1\times {\mathrm{1889}}^1$

素因数の和:2206

約数の個数: 32

約数和(自身を含む): 816888240

約数和(自身を除く): 369176350

約数列:

[1, 2, 5, 10, 137, 173, 274, 346, 685, 865, 1370, 1730, 1889, 3778, 9445, 18890, 23701, 47402, 118505, 237010, 258793, 326797, 517586, 653594, 1293965, 1633985, 2587930, 3267970, 44771189, 89542378, 223855945, 447711890]

約数ペア:

[(1, 447711890), (2, 223855945), (5, 89542378), (10, 44771189), (137, 3267970), (173, 2587930), (274, 1633985), (346, 1293965), (685, 653594), (865, 517586), (1370, 326797), (1730, 258793), (1889, 237010), (3778, 118505), (9445, 47402), (18890, 23701)]